Thematische Bibliographien / Charge Weld

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Auswahl der wissenschaftlichen Literatur zum Thema „Charge Weld“

Autor: Grafiati

Veröffentlicht am 23. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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Zeitschriftenartikel zum Thema "Charge Weld"

Chen, Liang, Guo Qun Zhao, and Ting Ting Wang. "Effects of Process Parameters on Charge Weld Length during Multi-Hole Porthole Die Extrusion." Applied Mechanics and Materials 703 (December 2014): 141–45. http://dx.doi.org/10.4028/www.scientific.net/amm.703.141.

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The evolution of charge weld during multi-hole porthole die extrusion was studied by means of finite element simulation and Taguchi’s design. Moreover, based on S/N analysis, the optimal process parameters that can reduce the charge weld length was obtained, where the billet diameter is 100 mm, extrusion speed is 2.0 mm/s, tool temperature is 430 °C and billet temperature is 465 °C. The accuracy and effectiveness of such optimal process parameters were also verified. The purpose of the present study is to provide some information about the controlling of charge weld for extrusion engineers.

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Sapchenko, Igor G., Sergey G. Zhilin, Oleg N. Komarov, and Evgeny E. Abashkin. "PROPERTIES OF A WELD JOINT PRODUCED BY A THERMITE CHARGE." Scholarly Notes of Komsomolsk-na-Amure State Technical University 1, no. 9 (2012): 100–105. http://dx.doi.org/10.17084/2012.i-1(9).15.

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Sariyarlioglu, Eren Can, Marco Negozio, Torgeir Welo, and Jun Ma. "Charge weld evolution in hollow aluminum extrusion: Experiments and modeling." CIRP Journal of Manufacturing Science and Technology 49 (April 2024): 14–27. http://dx.doi.org/10.1016/j.cirpj.2023.12.007.

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Sariyarlioglu, Eren Can, Torgeir Welo, and Jun Ma. "On the mechanisms of charge weld evolution in aluminum extrusion." Journal of Manufacturing Processes 124 (August 2024): 377–84. http://dx.doi.org/10.1016/j.jmapro.2024.06.022.

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Lu, Wei, Y. M. Zhang, and John Emmerson. "Adaptive Nontransferred Plasma Charge Sensor and Its Applications." Journal of Manufacturing Science and Engineering 129, no. 1 (2006): 180–89. http://dx.doi.org/10.1115/1.2401627.

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Practical welding control systems require durable/compact sensors to sense the welding process and appropriate control algorithms to produce smooth welds. A novel arc welding sensor, referred to as nontransferred plasma charge sensor, which requires no additional attachment to the torch, has been proved to be reliable for weld pool surface sensing. Aiming at eliminating the effect of manufacturing conditions on the sensor performance, this paper proposes two simple yet effective methods. Specifically, reference signals are sampled either from the bottom or the top surface of the work-piece and

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Lu, W., Y. M. Zhang, and John Emmerson. "Sensing of weld pool surface using non-transferred plasma charge sensor." Measurement Science and Technology 15, no. 5 (2004): 991–99. http://dx.doi.org/10.1088/0957-0233/15/5/031.

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Ali, Afsar, and Dave Farson. "Statistical Classification of Spectral Data for Laser Weld Quality Monitoring." Journal of Manufacturing Science and Engineering 124, no. 2 (2002): 323–25. http://dx.doi.org/10.1115/1.1455028.

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Signals from several sensors were employed for real-time laser weld quality monitoring. Sheet-metal butt-joint laser welds of three quality classes (full penetration, partial penetration, gapped) were produced in experimental trials. Optical, air-born acoustic and plasma charge signals acquired during welding were subsequently Fourier-transformed and the spectra were analyzed individually to determine relationships to laser weld quality. The frequency bands most highly correlated to weld quality were identified by stepwise linear discriminant analysis (LDA) of the spectra. Testing of the quali

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Zhou, Pei Yun, Jing Li, Ning Min Shen, and Fang Li. "An Improved Weld Seam Extraction Method Using Saliency Detection for Pipe-Line Welding Based on GMAW and Passive Light." Applied Mechanics and Materials 598 (July 2014): 160–63. http://dx.doi.org/10.4028/www.scientific.net/amm.598.160.

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To meet the need of the automation and intelligence of welding process, it’s very important to extract the edge of weld seam accurately for seam tracking. According to the characteristics of GMAW (gas metal arc welding), an image sensing system of weld pool region based on CCD (Charge-coupled Device) is established. An improved method of weld seam extraction is presented. Firstly, weld pool region localization method using saliency detection is proposed, and weld seam region is obtained from the right edge of weld pool, then Sobel transformation and computation model is used to extract the edg

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Zheng, Kexin, Hongxiang Hu, Zhengbin Wang, Yugui Zheng, Liang Zhao, and Xianhe Shang. "Effect of Local Fluid Disturbance Induced by Weld Reinforcement Height on the Corrosion of a Low Alloy Steel Weld." Metals 13, no. 1 (2023): 103. http://dx.doi.org/10.3390/met13010103.

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Weld corrosion exists widely in the petrochemical industry and attracts great attention. Most research proves that weld corrosion originates from the material factors introduced during the welding process. However, it is noted that local fluid turbulence due to the weld reinforcement height (WRH) plays an important role in the non-uniform corrosion of welds in flowing media. Accordingly, the individual effect of the local flow on the weld corrosion of low alloy steel was analyzed by experiments and simulation in this study. Electrochemical measurements and morphology observation were conducted

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Tang, Jianwei, Liang Chen, Zhigang Li, Guoqun Zhao, Cunsheng Zhang, and Yang Zuo. "Evolution mechanisms of charge weld during porthole die extrusion of ZK60 Mg profile." Journal of Materials Processing Technology 300 (February 2022): 117401. http://dx.doi.org/10.1016/j.jmatprotec.2021.117401.

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Dissertationen zum Thema "Charge Weld"

Larsson, Anton, and Oliver Prytz. "Simulering av defekten “charge weld” analyserad mot verkligheten." Thesis, Linnéuniversitetet, Institutionen för maskinteknik (MT), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-105275.

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Inom strängpressning av aluminium uppstår defekten charge weld vid byte av göt, då det gamla materialet sammanbinds med det nya. Denna defekt medför bland annat försämrad hållfasthet hos materialet. Med en ökad användning av aluminium i världen ökar även kvalitetskraven hos användarna. Defekten medför att en mängd aluminium måste skrotas och företag vill vara på den säkra sidan, därför kan mer än nödvändigt skrotas. Detta medför till en större mängd skrot och en större energianvändning då mer aluminium måste förbrukas och även smältas om. Företag har idag börjat använda sig av simulering för

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Laya, Enrique J. "Système de surveillance pour la détection du dommage de fatigue cumulée dans les structures offshore en acier." Châtenay-Malabry, Ecole centrale de Paris, 1987. http://www.theses.fr/1987ECAP0048.

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Pour vérifier le comportement des liaisons tubulaires soudées, étude d'un système de mesure en temps réel des déformations sur la section nominale des tubes arrivant aux noeuds ; technologiquement le système est conçu à partir des matériels existants.

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Koert, Emily Christina. "Doing well with change : what helps and what hinders well-educated immigrant women workers?" Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/32675.

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The purpose of this study was to gain an understanding of the strategies that new immigrant women employ to do well with changes that affect their work. This study asked the questions: What helps and what hinders immigrant women workers to do well with changes that affect their work? What would have been more helpful to do well with these changes? Participants were 10 well-educated immigrant women. Data was gathered using semi-structured, open-ended individual interviews consistent with Flanagan's (1954) Critical Incident Technique (CIT). Data was primarily analyzed using the CIT methodology.

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Hocknell, Suzanne. "Fat chance? : eating well with margarine." Thesis, University of Exeter, 2016. http://hdl.handle.net/10871/27794.

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Since its invention nearly 150 years ago, margarine has proven itself adaptable to multiple ingredients and techniques whilst continuing to mimic the fatty tastes familiar to eaters in Northern Europe. In this thesis I argue that it this malleability that makes margarine a useful subject with which to explore constructions of eating-well. This thesis examines the ways in which margarine is done, why it is done in the ways that it is, and explores how such doings frame possibilities for eating-together-well. Eating-well has become something of a social obsession in the UK in recent years. Indiv

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Zhang, Yan. "Changes in microstructure and mechanical properties of P91 weld metal during creep." Thesis, University of Nottingham, 2009. http://eprints.nottingham.ac.uk/11419/.

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Creep failure of the weld structure in P91 steel components in high temperature power plant applications is often a key factor limiting the lifetime of the components. Whilst creep failure in weld heat-affected zone (HAZ) regions has been studied widely, the creep properties of the weld metal itself have been less well documented. In this work, the creep response of P91 weld metal in isolation was investigated in terms of microstructural evolution and mechanical properties. The microstructural examination of P91 multi-pass weld metal revealed a typical weld metal structure including columnar r

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Dzedzora, Vivian. "Probation officers and the work environment : coping well with change." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/24570.

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This was a qualitative, exploratory study that focused on three research questions: 1) what is the lived experience of experienced probation officers who are coping well with change, 2) what are the self-sustaining strategies probation officers use to cope well with on-going change in their work life, what hindered them from doing well, and were there things that would have been helpful but were unavailable, and 3) whether the research interview itself had an impact on probation officers’ sense of well being. This study used a descriptive phenomenological approach to gather information about

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Ingledew, David Keith. "Health related behaviour, stress and well-being during organisational change." Thesis, Bangor University, 1994. https://research.bangor.ac.uk/portal/en/theses/health-related-behaviour-stress-and-wellbeing-during-organisational-change(d5c3190a-ce8d-4a70-bcf4-4cc1f4458444).html.

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This study investigated whether some coping strategies are better or worse than others, by virtue of their links with health behaviours, or their stress buffering effects. It also investigated whether some ways of attributing for success and failure in health behaviour change are better or worse than others, through their effects upon feelings, expectations, and intentions. Employees of a hospital that was closing down completed questionnaires at two points in time, one year apart (baseline N= 109; of which 102 successfully followed up). Analysis was by a combination of multivariate analysis o

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Elshenawy, Tamer Abdelazim. "Criteria of design improvement of shaped charges used as oil well perforators." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/criteria-of-design-improvement-of-shaped-charges-used-as-oil-well-perforators(d627c23e-a05b-42a2-86c3-6d67dfd7b7a7).html.

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In addition to its various military applications, shaped charges have been used in oil industry as an oil well perforator (OWP) to connect oil and gas to their reservoirs. The collapse of the liner material under the explosive load produces a hypervelocity jet capable of achieving a deep penetration tunnel into the rock formation. The achieved penetration depends on the OWP design, which includes the geometry and the material of the explosive and the liner as well as the initiation mode and the casing of the shaped charge. The main purpose of this research is to assess the performance of OWP w

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Brak, Bastiaan. "Modelling weed population dynamics : impact of cultural control and climate change." Thesis, University of Warwick, 2009. http://wrap.warwick.ac.uk/2743/.

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Over the last three decades, concern about food safety and the management of natural resources has increased. Instigated by the previous EU pesticide review, (EU 91/414) carrot growers in particular have been hit by the revocation of several post-emergence herbicides. There is real concern among growers that this may impair profits. To identify alternative weed control strategies, a modelling framework capable of simulating the impact of alternative weed management strategies on long-term weed population dynamics, was proposed. Scentless mayweed (Tripleurospermum inodorum) was chosen as model

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Coppin, Darren. "A psychosocial stage of change approach to unemployment: A psychosocial, stage of change approach to improve employment outcomes for the unemployed." Thesis, Australian Catholic University, 2018. https://acuresearchbank.acu.edu.au/download/a32d0047127fe68955837360512f8fb849e4be1878c942fad03d8f706d75d139/2739112/Coppin_2018_A_psychosocial_stage_of_change_approach.pdf.

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Unemployment has been found to have a detrimental impact on an individual’s well-being and mental health. This thesis aims to enhance our understanding of whether all jobseekers are truly jobseeking and explore what can be done to support behaviour changes in those who are not initially committed to returning to work. A first study tested the predictive validity of a stage of change measure on the re-employment success of 1,247 unemployed Australians. The study evidenced that different stages of commitment to jobseeking exist, and re-employment success rates corresponded to the predictions of

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Bücher zum Thema "Charge Weld"

Dobrecov, Nikolaj Leontʹevič. Globalʹnye izmenenija prirodnoj sredy, 2001. Izdat. SO RAN, Filial "Geo", 2001.

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Ziska, Lewis H., and Jeffrey S. Dukes. Weed Biology and Climate Change. Wiley-Blackwell, 2010. http://dx.doi.org/10.1002/9780470958674.

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S, Dukes Jeffrey, ed. Weed biology and climate change. Wiley-Blackwell, 2011.

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Weissbecker, Inka, ed. Climate Change and Human Well-Being. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-9742-5.

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Benschop, Yvonne, and Jeanie M. Forray. HRM and organizational change: All's well that ends well or much ado about nothing? Edited by ebrary Inc. Emerald Group Publishing, 2003.

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Janki, Dadi. Feeling great: How to change your life for the better. Brahma Kumaris Information Services in assocation with Brahma Kumaris World Spiritual University (UK), 2010.

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Badri, Samia. Technology change management for EQUION. National University, 2013.

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Mitra, Arup, Saudamini Das, Amarnath Tripathi, Tapas Kumar Sarangi, and Thiagu Ranganathan. Climate Change, Livelihood Diversification and Well-Being. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-7049-7.

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Feste, Catherine. The physician within: Taking charge of your well being. Diabetes Centers [i.e. Center], 1987.

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Manfried, Dietrich, and Symposium "Religionen in einer sich ändernden Welt " (3rd : 1997 : Tartu, Estonia), eds. Religionen in einer sich ändernden Welt. Ugarit-Verlag, 1999.

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Buchteile zum Thema "Charge Weld"

Segatori, Antonio, Barbara Reggiani, Lorenzo Donati, and Luca Tomesani. "Analysis of Charge Weld Evolution for a Multi-Holes Extrusion Die." In Supplemental Proceedings. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118062142.ch33.

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Clark, David A. "Defining and Measuring Human Well-Being." In Global Environmental Change. Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-5784-4_66.

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Siddiqui, Ahmad Omid, Ayşe Yazlık, and Khawar Jabran. "Weed Management and Climate Change." In Building Climate Resilience in Agriculture. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-79408-8_14.

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Jouzel, Jean. "Climate Change and Climate Justice." In The Well-being Transition. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67860-9_2.

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Deutinger, Gerhild. "Modernisierung – der Aufbruch in eine „neue Welt“." In Kommunikation im Change. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-37205-6_12.

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Kronlid, David O. "Adaptation for Well-Being." In Climate Change Adaptation and Human Capabilities. Palgrave Macmillan US, 2014. http://dx.doi.org/10.1057/9781137428042_7.

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Manzi, Claudia, and Maria Brambilla. "Identity Change." In Encyclopedia of Quality of Life and Well-Being Research. Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-0753-5_3311.

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Schulze Bäing, Andreas. "Neighborhood Change." In Encyclopedia of Quality of Life and Well-Being Research. Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-0753-5_1929.

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Sharpe, Erin K. "Social Change." In Encyclopedia of Quality of Life and Well-Being Research. Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-0753-5_2737.

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Manzi, Claudia, and Maria Brambilla. "Identity Change." In Encyclopedia of Quality of Life and Well-Being Research. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-69909-7_3311-2.

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Konferenzberichte zum Thema "Charge Weld"

Peñuela, Leomar, and Jose Chirinos. "Carbon Steel Flanges and Welds Evaluation on HF-Alkylation Unit." In CORROSION 1999. NACE International, 1999. https://doi.org/10.5006/c1999-99381.

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Abstract In 1995, there were two failures in the 20.000 BPD HF Alky unit at the Amuay Refinery causing a shutdown of the unit. The failures occurred in one flange and one weld in the depropanizer charge carbon steel pipe, containing propane, isobutane and anhydrous hydrofluoric acid at 190 F (88 C) and 321 psig (22.5 Kg/cm2). Examination showed severe uniform corrosion at the inside surface of the flange while the adjacent elbow showed minimal corrosion loss. The other failure showed preferential attack in the weld without corrosion loss in the pipe components. A complete evaluation of the Alk

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Bolinger, S. R., and O. A. Onyewuenyi. "Sulfide Stress Cracking Susceptibility of T-91 Tubulars in Coker Service." In CORROSION 1996. NACE International, 1996. https://doi.org/10.5006/c1996-96609.

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Abstract Alloy T-91 (modified 9 Cr - 1 Mo steel) is being specified for coker charge heater tubulars. This alloy, not normally used in petroleum refining service, is characterized by lower ductility and higher strength/hardness than is exhibited by the standard 9 Cr - 1 Mo steel alloy. Modified 9 Cr - 1 Mo steel alloy was subjected to detailed mechanical property assessment, sulfide stress corrosion cracking susceptibility and fracture toughness tests. Results showed that hardness of the tube welds exceeded the range normally used in wet H2S service, the weld and HAZ toughness are low, and the

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McIntyre, Dale R., and Raymundo P. Case. "Environmental Effects on Fitness-for Service Parameters for 1% Nickel Steel Pipe Welds with Preferential Weld Corrosion Damage." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05820.

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Abstract This study presents slow strain rate, notched slow strain rate and compact tension test data on the changes, due to environmental exposure, in mechanical properties and fracture toughness of 1% nickel steel welds in API 5L X-52 surface facilities piping. These strength and toughness parameters serve as input for fitness-for-service analyses of preferential weld corrosion (PWC) damage as either corrosion grooves or crack-like flaws. In 1% nickel steel welds, in CO2 environments, toughness loss of ca. 35% was observed even in the absence of H2S. Toughness loss of ca. 42% was observed ev

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Machnicki, J. P. "Galvanically Aggravated Weld Region Corrosion." In CORROSION 1987. NACE International, 1987. https://doi.org/10.5006/c1987-87391.

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Abstract A test technique was developed to evaluate the galvanic contribution to carbon steel corrosion during the application of the EPRI/SGOG chemical cleaning iron solvent. Results from this test indicate that freely corroding coupon specimens may not provide an accurate indication of the corrosion occurring within the steam generator. For the system and materials tested it was observed that the galvanic contribution to the weld corrosion is not constant and varies in response to changes in process parameters. Zero Resistance Ammetry, the primary corrosion monitoring technique, was shown to

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Sariyarlioglu, Eren Can. "Prediction of charge-weld strength in aluminum extrusion using solid-state welding models." In Material Forming. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903599-81.

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Abstract. This paper explores the adaptation of solid-state welding models to numerically predict the charge-weld strength of tubular aluminum profiles produced by hot extrusion. A series of AA6xxx tubular profiles was conducted in an industrial operation through carefully designed billet-to-billet extrusion experiments, followed by drift-expanding tests to characterize the evolution of charge-weld integrity. The experimental results revealed a positive correlation between charge-weld progression along the extruded length between two billets, and both material integrity and charge-weld strengt

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Goytisolo, Rafael, Hernan Hernandez, Jorge Moya, and Inga M. Jackson. "New Expressions for Fillet Weld Torsion Shear Stresses Calculation." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-82622.

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The fillet welds are conventionally calculated to shear stress in the weakest section: the throat area of the weld. This consideration is a simplification for any fillet weld. Nevertheless, this procedure is internationally accepted as a justified procedure, mainly, for the simplification that makes the calculation of the welded joints of an engineering construction an easy procedure. This premise has motivated that different authors try to obtain calculation expressions for different cases that are presented in the practice, looking to facilitate the work of the industry technicians and engin

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Aihara, Shuji, Hans I. Lange, Kei Misawa, et al. "Full-Scale Burst Test of Hydrogen Gas X65 Pipeline." In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31235.

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Full-scale burst test of X65 UOE linepipe, with 559mm outer diameter and 13.5mm wall thickness, pressurized at 16MPa by hydrogen gas was conducted. A 735mm long crack was introduced by explosive shaped charge over circumferential weld. The cracks were initiated and propagated in the both directions. The propagated crack lengths were 600mm and 270mm. J integral resistance curves were obtained from drop-weight as well as quasi static tests for the tested pipe material which was subjected to hydrogen charging. The tested steel showed little change in the resistance curves under realistic charging

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Matsuhiro, Yoshiyuki, Noritake Oguchi, Toshio Kurumura, Masahiko Hamada, Nobuaki Takahashi, and Atsuhi Shirahama. "The First L555 (X80) Pipeline in Japan." In 2012 9th International Pipeline Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ipc2012-90105.

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The construction of the first L555(X80) pipeline in Japan was completed in autumn, 2011.In this paper, the overview of the design consideration of the line, technical points for linepipe material and for girth welds are presented. In recent years the use of high strength linepipe has substantially reduced the cost of pipeline installation for the transportation of natural gas. The grades up to L555(X80) have been used worldwide and higher ones, L690(X100) and L830(X120), e.g., are being studied intensively. In the areas with possible ground movement, the active seismic regions, e.g., pipeline

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Foerstner, J., A. Camponeschi, J. Rairigh, and B. Murphy. "Rigless Intervention Pipe Expansion Method to Seal Gas or Fluid Leaks." In SPE/ICoTA Well Intervention Conference and Exhibition. SPE, 2025. https://doi.org/10.2118/224082-ms.

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Abstract Starting in April 2023 in the Illinois Basin, unique energetic expansion charge technology was employed to expand pipe sections without compromising pressure integrity. The technology effectively sealed off annular seepages through microannuli and small channels in gas storage wells completed in the 1960s. This rigless method's success at sealing compromised cement seals was confirmed by the absence of pressure buildup on surface vent data on the first three wells in the workover campaign over a monitoring period of 12 months. An additional six wells are being monitored as part of the

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Mikhaylov, Sergey Petrovich, and Anastasia Andreevna Shtyrlyaeva. "Consideration of the Influence of Carbonate Cement on the Accuracy of Prediction of Well Start-Up Flow Rates in Deep Reservoirs of the West Siberian Oil and Gas Basin on the Example of Reservoir U1 Formation." In SPE Symposium: Petrophysics XXI. Core, Well Logging, and Well Testing. SPE, 2021. http://dx.doi.org/10.2118/208422-ms.

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Abstract Oil reservoirs are often affected by tectonic processes throughout their lifetime. Tectonic processes contribute to the impact on the formation of a number of mechanical and chemical factors. These factors change the composition and structure of the reservoir and this affects the reservoir properties of the reservoir. Deep-seated reservoirs experience a longer and more intense impact of tectonic processes. A more detailed study of the composition and properties of reservoirs for an accurate forecast of reservoir properties and their productivity potential is due to this. Standard log

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Berichte der Organisationen zum Thema "Charge Weld"

Jung. L52232 Weld Metal Cooling Rate Prediction of Narrow Groove Pipeline Girth Welds FEA Modeling. Pipeline Research Council International, Inc. (PRCI), 2008. http://dx.doi.org/10.55274/r0011321.

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As part of a larger, DoT-sponsored program to develop optimized weld metal chemistries for X80 and X100, a finite-element approach was used to predict weld metal cooling rates and to provide a better understanding of the factors which influence them. The models can then be used to predict how changes in the welding procedure will affect the cooling rates of the weld joints. The changes in the welding procedure can include the joint details, the heat input of the weld as well as the preheating temperature. The predicted cooling rate from the model will be used as input, along with the weld meta

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Korinko, P., and D. David Maxwell. FILL STEM MANUFACTURING CHANGES AND PINCH WELD QUALIFICATIONS. Office of Scientific and Technical Information (OSTI), 2008. http://dx.doi.org/10.2172/927165.

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Korinko, P., and D. David Maxwell. PINCH WELD TESTING TO SUPPORT CHANGE IN MANUFACTURING OIL AT THE KCP. Office of Scientific and Technical Information (OSTI), 2008. http://dx.doi.org/10.2172/927599.

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Remington, S. M. St. Charles County well field monitoring project. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/7025198.

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Remington, S. St. Charles county well field monitoring project. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/5658944.

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Remington, S. St. Charles County well field monitoring project. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/6999511.

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Denys. L51685 Effect of Weld Metal Matching on Girth Weld Performance Volume II-Experimental Investigation. Pipeline Research Council International, Inc. (PRCI), 1993. http://dx.doi.org/10.55274/r0010111.

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This is the second volume of a three-volume study (see also L51651 and L51711). The integrity of girth weld defects in gas transmission pipelines is ensured by non-destructive inspection procedures. The acceptance level of pipe line girth weld defects revealed by non-destructive testing is commonly based on workmanship quality control. Unfortunately, workmanship defect acceptance levels are based on experience and are, by necessity, both arbitrary and often conservative. This report presents the results of an experimental study of the failure behavior of 11.6 mm (0.457 in.) pipe segments taken

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Katzenberger, John, and Susan Joy Hassol. Elements of Change Series: Biological Invasion as a Global Change. Aspen Global Change Institute, 1995. http://dx.doi.org/10.69925/irtu8095.

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It long has been recognized that habitat destruction and land use change due to human activity pose a serious threat to biodiversity. But what other threats are there and at what scale do they operate? This Elements of Change report explores the scale, mechanisms, as well as the ecological and economic impacts of biological invasion resulting from intentional and unintentional distribution of species accelerated by human activity. Control mechanisms and the consequences of inaction are discussed.

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Dukhovnov, Denys, Joan Ryan, and Emilio Zagheni. The impact of demographic change on transfers of care and associated well-being. Max Planck Institute for Demographic Research, 2020. http://dx.doi.org/10.4054/mpidr-wp-2020-022.

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Graville, B. A. L51707 Factors Affecting Heat Affected Zone Root Strains in Pipeline Girth Welds and Repairs. Pipeline Research Council International, Inc. (PRCI), 1993. http://dx.doi.org/10.55274/r0010219.

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A previous study on hydrogen cracking in the heat affected zone of pipeline girth welds and repairs found that large strains in the HAZ transverse to the weld played a major role in causing cracking. Large transverse strains were believed to arise from bending of the weld due to the thermal contraction of the weld around the pipe circumference. Large root strains were simulated in the laboratory using a bend test which enabled the effect of material composition and strength to be studied. In the bend test, the specimen deflection at the onset of cracking, indicated by a drop in load, was used

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