Relevant bibliographies by topics / NDT

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'NDT'

Author: Grafiati
Published: 4 June 2021
Last updated: 23 November 2024

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Journal articles on the topic "NDT"

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MUSAYYANAH, MUSAYYANAH, CHARISMA DIMAS AFFANDI, and KRISTIN LEBDANINGRUM. "Penerapan Filter Kalman untuk Estimasi Jarak dan Posisi pada Lokalisasi Outdoor berbasis RSSI dengan Komunikasi LoRa." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 11, no. 4 (October 24, 2023): 849. http://dx.doi.org/10.26760/elkomika.v11i4.849.

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ABSTRAKWireless Sensor Networ (WSN) merupakan jaringan nirkabel terdiri dari kumpulan node sensor tersebar di lingkungan observasi, saling berkomunikasi sesuai dengan algoritma komunikasi. Salah satu penerapan WSN adalah lokalisasi berbasis RSSI. RSSI merupakan hasil lokalisasi yang bersifat fluktuatif disebabkan oleh fenomena multipath fading, sehingga berpengaruh terhadap hasil lokalisasi. Artikel ini menerapkan Filter Kalman (FK) untuk lokalisasi Outdoor berbasis RSSI dengan komunikasi LoRa untuk lima Node Diam (ND) dan empat Node Anchor (NA). Pengujiannya terdiri dari membandingkan FK dengan tanpa FK, dan FK dengan metode Normalisasi. FK dapat memperbaiki akurasi pada estimasi jarak dan posisi. FK memperbaiki akurasi estimasi jarak sebesar 0,57% untuk ND1; 0,19% untuk ND2; 4,59% untuk ND3; 0,73% untuk ND4 dan 20,11% untuk ND5. Pada estimasi posisi, FK dapat meningkatkan akurasi sebesar 2,45% untuk ND1; 11,19% untuk ND2; 6,03% untuk ND3; 7,64% untuk ND4; dan 5,42% untuk ND5. Selain itu, FK dapat memperbaiki akurasi 15,94% untuk ND1; 3,41% untuk ND 2 dan 15,76% untuk ND 4 terhadap metode Normalisasi.Kata kunci: Filter Kalman, Localization,LoRa, RSSI, Wireless Sensor Network ABSTRACTWireless Sensor Network (WSN) is a wireless network consisting of sensor nodes spread across an observation environment, communicating with others separately according to a communication algorithm. In addition, one of the WSN applications is RSSI-based localization. RSSI is the development of localization which fluctuates due to the multipath fading phenomenon, thus affecting the localization results. This article executes a Kalman Filter (KF) for RSSI-based Outdoor localization with LoRa communication for five Diam Nodes (ND) and four Anchor Nodes (NA). The experiment involves comparing KF with neither KF nor the Normalization method. KF can improve the accuracy of distance and location estimation. FK increases the distance estimation accuracy by 0,57% for ND1; 0,19% for ND2; 4,59% for ND3; 0,73% for ND4; and 20,11% for ND5. For ND1, ND2, ND3, ND4, and ND5, KF can improve position estimation accuracy by 2,45%, 11,19%, 6,03%, 7,64%, 5,42%, and 2,45%, respectively. In addition, KF can increase accuracy by 15,94% for ND1, 3,41% for ND2, and 15,76% for ND4 in comparison to the Normalization approach.Keywords: Kalman Filter, Localization, LoRa, RSSI, Wireless Sensor Network
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Vrana, Johannes. "NDE Outlook: Informatization of NDT and NDE." Materials Evaluation 80, no. 1 (January 1, 2022): 11–12. http://dx.doi.org/10.32548/2022.me-800122.

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Informatization is defined as the process by which information technologies, such as the World Wide Web and other communication technologies, have transformed economic and social relations to such an extent that cultural and economic barriers are minimized. What does this mean for nondestructive testing and evaluation (NDT/E)? In short: informatization in NDT and NDE has happened and will continue to happen, independent of whether individuals or companies like it or not. However, we can shape it—together.
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Patil, Maheshkumar Prakash, Jong-Oh Kim, Seung Hyun Yoo, Yong Bae Seo, Yu-Jin Lee, Jin-Koo Kim, Shin-Ichi Kitamura, and Gun-Do Kim. "Complete Mitogenome and Phylogenetic Analysis of a Marine Ray-Finned Fish, Alcichthys elongatus (Perciformes: Cottidae)." Fishes 8, no. 10 (October 16, 2023): 513. http://dx.doi.org/10.3390/fishes8100513.

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Alcichthys elongatus is the only species in the genus, and this work is the first to provide a comprehensive mitogenome analysis of this species. The A. elongatus mitogenome was 16,712 bp long, with biased A + T content (52.33%), and featured thirteen protein-coding genes (PCGs), twenty-two tRNAs, two rRNAs, and the control region (D-loop). The H strand encoded twenty-eight genes (twelve PCGs, fourteen tRNA, and two rRNA) and the control region, whereas the L strand encoded the remaining nine genes (ND6 and eight tRNA). Except for COXI, which started with GTG, all PCG sequences started with ATG and ended with TAA (ND4L, ND5, COXI, ATP8) or TAG (ND1, ND6) termination codons, with some (ND2, ND3, ND4, COXII, COXIII, ATP6, Cytb) having an incomplete termination codon. Except for tRNA-serine-1 (trnS), the majority of the tRNAs exhibited characteristic cloverleaf secondary structures. Based on 13 PCGs, phylogenetic analysis placed A. elongatus in the same clade as Icelus spatula. This genomic data will be useful for species identification, phylogenetic analysis, and population genetics.
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Zhang, Dan, Fei-Xiang He, Xue-Bo Li, Zhulidezi Aishan, and Xiao-Long Lin. "New Mitogenomes of the Polypedilum Generic Complex (Diptera: Chironomidae): Characterization and Phylogenetic Implications." Insects 14, no. 3 (February 27, 2023): 238. http://dx.doi.org/10.3390/insects14030238.

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Mitochondrial genomics, as a useful marker for phylogenetics and systematics of organisms, are important for molecular biology studies. The phylogenetic relationships of the Polypedilum generic complex remains controversial, due to lack taxonomy and molecular information. In this study, we newly sequenced mitogenomes of 14 species of the Polypedilum generic complex. Coupled with three recently published sequences, we analyzed the nucleotide composition, sequence length, and evolutionary rate of this generic complex. The control region showed the highest AT content. The evolution rate of protein coding genes was as follows: ATP8 > ND6 > ND5 > ND3 > ND2 > ND4L > ND4 > COX1 > ND1 > CYTB > APT6 > COX2 > COX3. We reconstructed the phylogenetic relationships among the genera within the Polypedilum generic complex based on 19 mitochondrial genomes (seventeen ingroups and two outgroups), using Bayesian Inference (BI) and Maximum Likelihood (ML) methods for all databases. Phylogenetic analysis of 19 mitochondrial genomes demonstrated that the Endochironomus + Synendotendipes was sister to Phaenopsectra + Sergentia.
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Hong, Yue-Huan, Ya-Ni Yuan, Ke Li, Kenneth B. Storey, Jia-Yong Zhang, Shu-Sheng Zhang, and Dan-Na Yu. "Differential Mitochondrial Genome Expression of Four Hylid Frog Species under Low-Temperature Stress and Its Relationship with Amphibian Temperature Adaptation." International Journal of Molecular Sciences 25, no. 11 (May 29, 2024): 5967. http://dx.doi.org/10.3390/ijms25115967.

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Extreme weather poses huge challenges for animals that must adapt to wide variations in environmental temperature and, in many cases, it can lead to the local extirpation of populations or even the extinction of an entire species. Previous studies have found that one element of amphibian adaptation to environmental stress involves changes in mitochondrial gene expression at low temperatures. However, to date, comparative studies of gene expression in organisms living at extreme temperatures have focused mainly on nuclear genes. This study sequenced the complete mitochondrial genomes of five Asian hylid frog species: Dryophytes japonicus, D. immaculata, Hyla annectans, H. chinensis and H. zhaopingensis. It compared the phylogenetic relationships within the Hylidae family and explored the association between mitochondrial gene expression and evolutionary adaptations to cold stress. The present results showed that in D. immaculata, transcript levels of 12 out of 13 mitochondria genes were significantly reduced under cold exposure (p < 0.05); hence, we put forward the conjecture that D. immaculata adapts by entering a hibernation state at low temperature. In H. annectans, the transcripts of 10 genes (ND1, ND2, ND3, ND4, ND4L, ND5, ND6, COX1, COX2 and ATP8) were significantly reduced in response to cold exposure, and five mitochondrial genes in H. chinensis (ND1, ND2, ND3, ND4L and ATP6) also showed significantly reduced expression and transcript levels under cold conditions. By contrast, transcript levels of ND2 and ATP6 in H. zhaopingensis were significantly increased at low temperatures, possibly related to the narrow distribution of this species primarily at low latitudes. Indeed, H. zhaopingensis has little ability to adapt to low temperature (4 °C), or maybe to enter into hibernation, and it shows metabolic disorder in the cold. The present study demonstrates that the regulatory trend of mitochondrial gene expression in amphibians is correlated with their ability to adapt to variable climates in extreme environments. These results can predict which species are more likely to undergo extirpation or extinction with climate change and, thereby, provide new ideas for the study of species extinction in highly variable winter climates.
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Aishan, Zhulidezi, Ze-Lu Mu, Zi-Cong Li, Xin-Yu Luo, and Ning Huangfu. "The First Three Mitochondrial Genomes for the Characterization of the Genus Egeirotrioza (Hemiptera: Triozidae) and Phylogenetic Implications." Genes 15, no. 7 (June 26, 2024): 842. http://dx.doi.org/10.3390/genes15070842.

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(1) Background: Mitochondrial genomes are important markers for the study of phylogenetics and systematics. Triozidae includes some primary pests of Populus euphratica. The phylogenetic relationships of this group remain controversial due to the lack of molecular data. (2) Methods: Mitochondria of Egeirotrioza Boselli were sequenced and assembled. We analyzed the sequence length, nucleotide composition, and evolutionary rate of Triozidae, combined with the 13 published mitochondrial genomes. (3) Results: The evolutionary rate of protein-coding genes was as follows: ATP8 > ND6 > ND5 > ND2 > ND4 > ND4L > ND1 > ND3 > APT6 > CYTB > COX3 > COX2 > COX1. We reconstructed the phylogenetic relationships of Triozidae based on 16 triozid mitochondrial genomes (thirteen ingroups and three outgroups) using the maximum likelihood (ML) and Bayesian inference (BI) approaches. The phylogenetic analysis of the 16 Triozidae mitochondrial genomes showed that Egeirotrioza was closely related to Leptynoptera. (4) Conclusions: We have identified 13 PCGs, 22 tRNAs, 2 rRNAs, and 1 control region (CR) of all newly sequenced mitochondrial genomes, which were the mitochondrial gene type in animals. The results of this study provide valuable genomic information for the study of psyllid species.
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Wang, Shujing, Runqi Zhu, Huaijun Xue, Yanfei Li, and Wenjun Bu. "Mitogenomics of Chinch Bugs from China and Implications for Its Coevolutionary Relationship with Grasses." Insects 13, no. 7 (July 17, 2022): 643. http://dx.doi.org/10.3390/insects13070643.

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Blissidae (the Chinch bug) is a group with high species richness in Lygaeoidea, but there are only a few descriptions of mitochondrial genomes available. We obtained mitogenomes from 10 species of eight genera from Blissidae through second-generation sequencing technology. The length of the mitochondrial genome (excluding the control region) is between 14643 and 14385 bp; the content of AT is between 74.1% and 77.9%. The sequence of the evolution rate of protein coding genes was as follows: ND5 > ATP8 > ND6 > ND2 > ND4 > ND4L > ND1 > ATP6 > ND3 > COIII > COII > CYTB > COI. The mitogenomic structure of Blissidae is highly conservative. Gene rearrangement is only found in Pirkimeru japonicus (PiGXBS1), which is formed as the duplication of tRNA-H. The intergenic spacer between ND4 and tRNA-H, which form an obvious stem-and-loop structure, was found in all samples in this study. The phylogenetic trees generated by BI and ML indicated that Blissidae can be divided into three major clades: Clade A (only included Macropes); Clade B ((Pirkimerus + Bochrus) + Iphicrates); and Clade C ((Ischnodemus + Capodemus) + (Cavelerius + Dimorphopterus)). The divergence within the Blissidae began at about 56 Ma. At the genus level, the divergence was concentrated at 30–51 Ma, slightly later than the diversification of Poaceae. The consistency of divergence time between Blissidae and Poaceae might hint at the coevolutionary relationship between them, but further molecular and biological evidence is still needed to prove it.
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Abdollahi-Mamoudan, Farima, Clemente Ibarra-Castanedo, and Xavier P. V. Maldague. "Advancements in and Research on Coplanar Capacitive Sensing Techniques for Non-Destructive Testing and Evaluation: A State-of-the-Art Review." Sensors 24, no. 15 (August 1, 2024): 4984. http://dx.doi.org/10.3390/s24154984.

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In contrast to conventional non-destructive testing (NDT) and non-destructive evaluation (NDE) methodologies, including radiography, ultrasound, and eddy current analysis, coplanar capacitive sensing technique emerges as a novel and promising avenue within the field. This paper endeavors to elucidate the efficacy of coplanar capacitive sensing, also referred to as capacitive imaging (CI), within the realm of NDT. Leveraging extant scholarly discourse, this review offers a comprehensive and methodical examination of the coplanar capacitive technique, encompassing its fundamental principles, factors influencing sensor efficacy, and diverse applications for defect identification across various NDT domains. Furthermore, this review deliberates on extant challenges and anticipates future trajectories for the technique. The manifold advantages inherent to coplanar capacitive sensing vis-à-vis traditional NDT methodologies not only afford its versatility in application but also underscore its potential for pioneering advancements in forthcoming applications.
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Beltrán-Torres, G. C., and J. Hernández-Fernández. "NEW MITOCHONDRIAL MARKERS IMPROVE THE PHYLOGENY OF THE HAWKSBILL TURTLE Eretmochelys imbricata (TESTUDINES: CHELONIIDAE)." Journal of Basic and Applied Genetics 29, no. 2 (December 1, 2018): 21–31. http://dx.doi.org/10.35407/bag.2018.29.02.03.

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The sea turtles (Cheloniidae) are a group of seven species of cretaceous origin. Analyses of partial mitochondrial sequences have revealed phylogenetic inconsistences within this group. Nevertheless, these mitochondrial markers have allowed us to understand, explain and clarify population composition in areas of foraging, reproductive habits, inferences of migration patterns and, also, to define management units in the world, in order to trace conservation and monitoring plans. In this study, four methods were evaluated and compared for phylogenetic inference (Neighbor-Joining-NJ, Maximum Likelihood-ML, Maximum Parsimony-MP and Bayesian inference-BI) by using coding genes, ribosomal genes and full mitogenomes of the hawksbill, E. imbricata, and other six species of sea turtles obtained from GenBank. The sequences were analyzed independently and jointly to identify the method and marker that better explain the phylogenetic relationships among this group of reptiles. The NJ, ML, MP and BI trees showed that ND2, COX1, 16S rRNA, ND5, 12S rRNA, ND4 and COX3 are the markers that give phylogenetic trees with better resolution and support, with bootstrap values ranging from 89.0% to 99.98%. ATP6, ATP8, COX2, ND1, ND3, ND5 and ND4L genes presented polytomies. The analysis with full mitogenome often provides highly supported trees (bootstrap 98.0%) compared with single marker analysis. Trees obtained with the BI method and the ND2 gene is the one that better resolved the evolutionary relationships among the species, consolidating the position of E. imbricata within the Carettini tribe with a value of posterior probability of 0.98-1.0. The markers ND2, ND4, ND5 and COIII, not used in previous works, represent a new alternative to explain the phylogeny in this group of marine reptiles. In the present study, a complete mitogenome analysis produced robust and highly supported trees. Key words: phylogenetic relationships, Eretmochelys imbricate, mitogenoma, sea turtles, bootstrap, polytomies
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Dündar, Türker, and Ferenc Divos. "European Wood NDT & NDE Research and Practical Applications." Eurasian Journal of Forest Science 2, no. 1 (March 6, 2014): 35–43. http://dx.doi.org/10.31195/ejejfs.70186.

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Dissertations / Theses on the topic "NDT"

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Gros, X. E. "Fusion of multiprobe NDT data." Thesis, Robert Gordon University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294936.

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Pavlakovic, Brian Nicholas. "Leaky guided ultrasonic waves in NDT." Thesis, Imperial College London, 1998. http://hdl.handle.net/10044/1/7907.

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Andhee, Avinash. "A novel compact Shearographic NDT system." Master's thesis, University of Cape Town, 2005. http://hdl.handle.net/11427/5546.

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There is a need in industry and the NDT (Non-destructive Testing) community for quick, reliable, user-friendly and cost-effective compact NDT systems that can be used on a wide variety of materials and structures, for quality assurance and maintenance. Designing and building a compact Shearographic NDT system will enhance the capability of inspection during quality assurance and maintenance routines as well as reduce inspection time. Older compact Shearographic systems, which have been tested satisfactorily both under laboratory and field conditions at the NDT Laboratory at the University of Cape Town, have a rather restricted field of view. This is due to the proprietary shearing optics being placed in front of the camera lens, which in other words means that the field of view can only be increased by using a relatively small focal length camera lens which results in having to increase the size of the shearing optics. This would make the compact Shearographic device much larger which is counter-productive since technology enables/directs research and development toward more compact devices.
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Komárková, Tereza. "NDT kontrola zabudovaných kotev do betonu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225571.

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Non-destructive inspection using ultrasonic anchoring method is the only possible way to detect inadequate anchorage length. For rescue roads systems inadequate anchoring can have fatal consequences. Therefore, control anchoring bridge barriers should be carried out every installation of crash barriers.
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Smith, Ian Colin. "Vision based systems for hardness testing and NDT." Thesis, University of Liverpool, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317273.

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The work presented in this thesis concerns the development of vision based systems for two hardness (destructive) tests, namely; the Shore and Vickers and a quality assurance non-destructive test. In each case the vision system is based on an IBM PC compatible computer fitted with a commercially available frame store. Bespoke image analysis software was written using the C language for each system. In the Shore test, hardness is judged by the maximum rebound height attained by an indenter incident on a test sample. The purpose of the vision system is to measure the rebound height automatically. Laser light is used to illuminate the indenter and a vidicon vision camera is used to view its motion. Two approaches to the problem are considered; one in which image data is analysed in real time and one in which image·data is merely stored in real time and analysed a posteriori. Non-real time analysis is shown to be superior to real time analysis in terms of accuracy and reliablity and its software implementation is discussed in detail. The Vickers test uses the size of the permanent impression left by an indenter forced into the test material under a known load as a hardness index. In this case the purpose of the vision system is to measure the size of the indentation automatically. The original image analysis algorithms are shown to be capable of analysing good quality samples but are unreliable when applied to poor quality specimens. Further, fault-tolerant, algorithms are described to provide reliable and accurate results over wide variations in sample quality.The quality assurance application involves automated visual inspection of novel ferrite components for defects. Each component is approximately 8 mm in diameter, annular in shape, and coated with aluminium. Laser light is used to illuminate individual components which arc viewed using a charge-coupled device (CCD) video camera. Image analysis algorithms for characterising defects in component geometry and surface finish arc discussed. The system is shown to capable of measuring component edge eccentricity and hole offset as well as providing a quantitative description of surface chips and cracks. The system is further shown to be capable of separately classifying surface defects extending to the edge of a component. Calculation of shape parameters for surface defects also provides a means of distinguishing cracks from surface chips.
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Begum, Rushna. "Neural network processing of impact echo NDT data." Thesis, City University London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340456.

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Henriksson, Johan. "Radar odometry based on Fuzzy-NDT scan registration." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-94492.

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Visual and lidar-based odometry for mobile robots has been thoroughlyinvestigated and performs very well in good weather conditions. However,both are sensitive to bad weather conditions with atmospheric disturbancessuch as rain and snow. Recently Radar sensors specialized for mobilerobot use have become available. Radar sensors are much more robustagainst atmospheric disturbances, which makes them an exciting alternative.This thesis presents a radar odometry pipeline that can handle both lidar andradar data with minor modifications. The results show that it outperformsthe current state of the art radar odometry solutions. While also being able tohandle 3d lidar odometry with good performance.
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Bertović, Marija [Verfasser], Dietrich [Gutachter] Manzey, and Gerd-Rüdiger [Gutachter] Jaenisch. "Human Factors in Non-Destructive Testing (NDT): Risks and Challenges of Mechanised NDT / Marija Bertović ; Gutachter: Dietrich Manzey, Gerd-Rüdiger Jaenisch." Berlin : Bundesanstalt für Materialforschung und -prüfung (BAM), 2016. http://d-nb.info/1122991371/34.

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Lowe, Michael John Stuart. "Plate waves for the NDT of diffusion bonded titanium." Thesis, Imperial College London, 1992. http://hdl.handle.net/10044/1/8011.

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Ciszkiewicz, Tadeusz. "NDT-based service life prediction of deteriorating water mains." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0032/MQ30747.pdf.

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Books on the topic "NDT"

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Ida, N. Microwave NDT. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2739-4.

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British Institute of Non-destructive Testing., ed. NDT yearbook. Northampton: British Institute of Non-destructive Testing, 2001.

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Ida, Nathan. Microwave NDT. Dordrecht: Kluwer Academic, 1992.

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Ida, N. Microwave NDT. Dordrecht: Springer Netherlands, 1992.

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Van Hemelrijck, Danny, Athanassios Anastassopoulos, and Theodore Philippidis. Emerging Technologies in NDT. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003078586.

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Priest, Erhardt Rhoda, ed. Parent articles about NDT. Maplewood, Minnesota: Erhardt Developmental Products, 1999.

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Kcho. Núcleos del tiempo: NDT. Ciudad de la Habana: Galería Villa Manuela, 2004.

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Gros, Xavier E., ed. Applications of NDT Data Fusion. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4615-1411-4.

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1968-, Gros X. E., ed. Applications of NDT data fusion. Boston: Kluwer Academic Publishers, 2001.

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Bly, Lois. Baby treatment based on NDT principles. San Antonio, Texas: Therapy Skill Builders, 1999.

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Book chapters on the topic "NDT"

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Gdoutos, Emmanuel, and Maria Konsta-Gdoutos. "Nondestructive Testing (NDT)." In Mechanical Testing of Materials, 201–25. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-45990-0_8.

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Gdoutos, Emmanuel E. "Nondestructive Testing (NDT)." In Solid Mechanics and Its Applications, 285–95. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-89466-5_15.

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Bridge, B., T. Sattar, A. Khalid, S. Chen, M. Rakocevic, and X. Wang. "Versatile Robotic Instruments for NDT/NDE Data Acquisition." In Review of Progress in Quantitative Nondestructive Evaluation, 1989–96. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5339-7_258.

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Larson, Brian, and David Holger. "North Central Collaboration for Education in NDE/NDT." In Review of Progress in Quantitative Nondestructive Evaluation, 2077–84. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5339-7_269.

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Mandelis, A. "Diffusion-wave diagnostics: Emerging quality-control technologies for materials NDE/NDT." In Emerging Technologies in NDT, 169–78. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003078586-30.

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Santos, Telmo G., J. P. Oliveira, Miguel A. Machado, Patrick L. Inácio, Valdemar R. Duarte, Tiago A. Rodrigues, Rui A. Santos, et al. "Reliability and NDT Methods." In Advanced Structured Materials, 265–95. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-44522-5_8.

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Escalona, M. J., M. Mejías, J. Torres, and A. Reina. "The NDT Development Process." In Lecture Notes in Computer Science, 463–67. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/3-540-45068-8_87.

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Leucci, Giovanni. "NDT Geophysical Data Interpretation." In Nondestructive Testing for Archaeology and Cultural Heritage, 131–67. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01899-3_5.

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Kočiš, Štefan, and Zdenko Figura. "Non-destructive testing (NDT)." In Ultrasonic Measurements and Technologies, 124–46. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-1199-7_5.

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Krohn, N., A. Dillenz, C. Döttinger, S. Lütze, K. Nixdorf, G. Busse, J. Dürr, U. Herold-Schmidt, M. Flock, and R. Voit-Nitschmann. "NDT of smart structures." In Emerging Technologies in NDT, 187–92. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003078586-32.

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Conference papers on the topic "NDT"

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"Front Matter: Volume 12491." In 8th International Workshop on Reliability of NDT/NDE, edited by Daniel Kanzler and Norbert G. Meyendorf. SPIE, 2023. http://dx.doi.org/10.1117/12.2684125.

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Blankschän, Michel, Daniel Kanzler, and Marija Bertovic. "Investigation of influencing factors on indication detectability during visual inspection (Conference Presentation)." In 8th International Workshop on Reliability of NDT/NDE, edited by Daniel Kanzler and Norbert G. Meyendorf. SPIE, 2023. http://dx.doi.org/10.1117/12.2658671.

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Calmon, Pierre, Sanjay Sharma, Olivier Mesnil, and Bastien Chapuis. "Experimental validation of MAPOD methodology for SHM applied to the detection of growing cracks in a metallic part (Conference Presentation)." In 8th International Workshop on Reliability of NDT/NDE, edited by Daniel Kanzler and Norbert G. Meyendorf. SPIE, 2023. http://dx.doi.org/10.1117/12.2662747.

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Kanzler, Daniel, and Vamsi Krishna Rentala. "Reliability evaluation of testing systems and their connection to NDE 4.0." In 8th International Workshop on Reliability of NDT/NDE, edited by Daniel Kanzler and Norbert G. Meyendorf. SPIE, 2023. http://dx.doi.org/10.1117/12.2658857.

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Kim, Felix H., Sarah M. Robinson, Nikolai N. Klimov, and John Henry J. Scott. "Investigation of manufacturing techniques to develop X-ray computed tomography phantoms with controlled flaws for reliability assessment." In 8th International Workshop on Reliability of NDT/NDE, edited by Daniel Kanzler and Norbert G. Meyendorf. SPIE, 2023. http://dx.doi.org/10.1117/12.2660458.

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Kanzler, Daniel, Vamsi Krishna Rentala, Thomas Heckel, Sylvia Keßler, Florian Dethof, Anne Jüngert, and Johannes Vrana. "NormPOD: a generalized POD approach: from ferritic welding to reinforced concrete structures." In 8th International Workshop on Reliability of NDT/NDE, edited by Daniel Kanzler and Norbert G. Meyendorf. SPIE, 2023. http://dx.doi.org/10.1117/12.2658079.

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Küttenbaum, Stefan, Stefan Maack, Norman Aßmann, and Sascha Feistkorn. "Ways to unlock the potential of non-destructive concrete testing for the reliability assessment of our built environment." In 8th International Workshop on Reliability of NDT/NDE, edited by Daniel Kanzler and Norbert G. Meyendorf. SPIE, 2023. http://dx.doi.org/10.1117/12.2658736.

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Given, Joseph. "An automatic system for categorizing and quantifying human factors." In 8th International Workshop on Reliability of NDT/NDE, edited by Daniel Kanzler and Norbert G. Meyendorf. SPIE, 2023. http://dx.doi.org/10.1117/12.2658407.

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Kim, Felix H., Owen V. Hammer, Adam L. Pintar, John Henry J. Scott, and Edward J. Garboczi. "Developing XCT data sets for evaluation of automated flaw detection algorithms (Conference Presentation)." In 8th International Workshop on Reliability of NDT/NDE, edited by Daniel Kanzler and Norbert G. Meyendorf. SPIE, 2023. http://dx.doi.org/10.1117/12.2657270.

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Bayoumi, Ahmed, Thomas Vogt, and Inka Mueller. "New approach for reliability assessment of guided wave-based structure health monitoring system on a pipe application." In 8th International Workshop on Reliability of NDT/NDE, edited by Daniel Kanzler and Norbert G. Meyendorf. SPIE, 2023. http://dx.doi.org/10.1117/12.2661833.

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Reports on the topic "NDT"

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Fry, David, and Sarah White. LANL NDT Group E-6 Overview. Office of Scientific and Technical Information (OSTI), August 2020. http://dx.doi.org/10.2172/1657107.

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Green, Robert E. L51505 NDT Needs for Pipeline Integrity Assurance. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), September 1986. http://dx.doi.org/10.55274/r0012050.

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Lodeiro, M. J. Uncertainty of measurement for non-destructive testing (NDT). National Physical Laboratory, August 2022. http://dx.doi.org/10.47120/npl.mat105.

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Swankie, Martin, and Andrews. L51641 Evaluate NDT Methods for Welds in Service. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), March 1990. http://dx.doi.org/10.55274/r0010626.

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The inspection of welds made onto in-service pipelines, which are made primarily for attaching branch connections and repair sleeves, has been the subject of much concern in recent years. The difficulties associated with the inspection of these welds have long been recognized and, historically, the amount of inspection given to such welds has been small. The inspection of welds joining various appurtenances to pipelines is hampered for a number of reasons. The joint geometries can vary considerably, but none of them are particularly suited to detailed inspection. Surface techniques, such as magnetic particle and liquid-penetrant testing, rely on the flaws being at or near the surface, and this is not necessarily the case with the welds of concern. Radiography is difficult since it is not possible to place a radiation source within the pipeline. Ultrasonic inspection is, therefore, the only option if a full volumetric inspection is required. This is made difficult by the inherent complex geometries, and limited access to many of the welds. Welding on pipelines containing flowing, pressurized products results in very rapid cooling of the weld metal and heat-affected-zone regions, significantly increasing the risk of cracking. The use of high hydrogen consumables (specifically EXX10 SMAW electrodes) adds considerably to the risk The probability of discontinuities forming during welding on in-service pipelines is therefore considerably greater than for pipelines that do not contain flowing products. The goal of the present work was to evaluate existing techniques, and to develop and verify improved methodsfor inspection of such welds. In the first phase of this program, welded assemblies that contain realistic examples of discontinuities that occur in practice were produced In the second phase, the reliability of existing nondestructive testing methods were evaluated along with the reliability of novel nondestructive testing systems. The overall objectives of these first two phases were to evaluate the accuracy and reliability of nondestructive testing methods currently applied to welds made onto in-service pipelines, and to assess the improvement possible with methods that are more advanced, but so far have had limited application to these welds. The objective for the Phase III continuation of this project is to demonstrate the accuracy and reliability of nondestructive testing methods using procedures that are optimized based on the knowledge acquired in the first two phases.
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Crouch. L51747 Assessment of NDT Needs for Pipeline Integrity Assurance II. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), January 1996. http://dx.doi.org/10.55274/r0010612.

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This project was done to reassess the industry's perceptions of NDT needs and to recommend areas of research pertinent to those needs. The project included two survey questionnaires-one sent to 41 pipeline operating companies, yielding 31 responses, and the other sent to 10 inspection vendors with 9 responses. The surveys covered pipeline integrity issues, NDT technologies, and the perceptions of both operators and vendors regarding the need for new or improved inspection capabilities. The survey responses showed the four most important pipeline integrity issues to be (in order of priority):CorrosionCoating failureMechanical damage (third-party damage)Stress-corrosion crackingWhile acknowledging that some improvements could be made, the industry expressed general satisfaction with current in-line inspection (ILI) systems except for the crack pig, which they said needs significant improvement and which they feel is too expensive for use except in critical applications. They had similar opinions of the cost of the mapping pig, though to a lesser degree than for the crack pig. A question regarding conventional versus high-resolution corrosion inspection drew the response that although high-resolution tools are recognized for superior performance, there will always be a need for both classes of tools.
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Fu. L51668 Develop NDT Methods for Welds on In-Service Pipelines III. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), September 1992. http://dx.doi.org/10.55274/r0010552.

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This report documents the development of optimized NDT procedures for inspecting sleeve welds made on in-service sleeve welds. Use of these procedural guidelines will improve the accuracy and reliability of NDT test results on sleeve welds. Additional research is required to develop guidelines for in-service branch welds.
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Nallar, Melisa, Andrew Bernier, and Jamie Potter. Evaluation of non-destructive testing (NDT) methods for wood power poles. Engineer Research and Development Center (U.S.), September 2023. http://dx.doi.org/10.21079/11681/47652.

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This technical report aims to test the effectiveness of several non-destructive testing (NDT) technologies on wood utility poles to detect deterioration. The project will assess commercially available devices using sound velocity and drilling resistance methods for in-field measurements. The goal is to extend the lifetime of wood poles, prevent unexpected failure, and enhance their in-service life beyond the current 75-year expectation. Despite the benefits of wood poles, it is difficult to obtain reliable deterioration metrics on in-service poles, which can lead to premature decommissioning or pole failure. NDT methods have been developed to replace labor-intensive methods, but none have been largely adopted in common practice. Therefore, creating a database of validated data would expedite adoption. Integrating precise and efficient wood utility pole NDT can increase installation energy resiliency and facility sustainment in a fiscally responsible way, ensuring high standards of delivery of services.
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Jia, Yunhui, Christopher S. Williams, Prince Baah, and Mark D. Bowman. Long-Term Project and Network-Level NDT Implementation Plan for Indiana. Purdue University, 2023. http://dx.doi.org/10.5703/1288284317582.

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Bridge deck condition assessments in Indiana are primarily reliant on visual inspection. The condition of bridge decks, however, is highly dependent on deterioration under the surface, which includes the corrosion of steel reinforcement and concrete delamination. The implementation of reliable nondestructive testing (NDT) methods can provide information about such internal deterioration, but considering the multiple NDT methods currently available, guidance is needed to find the best approach for assessing bridge decks in the state’s bridge inventory. A research program was conducted to examine various NDT methods with the objective of recommending an effective NDT strategy for network-level and project-level bridge inspections in Indiana that will complement information from traditional bridge inspections and provide asset engineers with improved information for long-term programming decisions. For the study, several consultants used various NDT methods to inspect a set of bridge decks that represented a range of desired test variables. Based on the test results, it was determined that aerial infrared thermography (IRT) is a good network-level method that is capable of scanning a large number of bridges and providing an initial assessment of bridge deck conditions. If significant delamination activity is detected, then follow-up network-level scanning limited to the problematic bridge decks should be performed using vehicle-mounted IRT. For project-level scanning of individual bridge decks, impact echo was found to be reliable and repeatable. For bridges with high-traffic volume for which project-level scanning is needed, a pole-mounted IRT system was found to be effective for evaluating the deck condition.
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Nanstad, R. K., D. E. McCabe, R. L. Swain, and M. K. Miller. Chemical composition and RT[sub NDT] determinations for Midland weld WF-70. Office of Scientific and Technical Information (OSTI), December 1992. http://dx.doi.org/10.2172/6809313.

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Geller, L. B., and J. E. Udd. NDT of wire ropes with EM instruments - an examination of operational conditions in Canada. Natural Resources Canada/CMSS/Information Management, 1991. http://dx.doi.org/10.4095/328912.

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