Gotowe bibliografie tematyczne / Blank thickness

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Gotowa bibliografia na temat „Blank thickness”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "Blank thickness"

Han, Sang Wook, Hee Seok Jung, Young Yun Woo, and Young Hoon Moon. "Dimensional Characteristics of Tailor Rolled Blanks Having Thickness Variations both in Longitudinal and Width Directions." Materials Science Forum 920 (April 2018): 52–57. http://dx.doi.org/10.4028/www.scientific.net/msf.920.52.

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Tailored blanks with different blank thicknesses are semi-finished parts that can be used to produce stamping parts having a real tailor-made solution. This study investigates a manufacturing process that can produce a tailored rolled blanks(TRB) having variable thickness variations both in longitudinal and width directions. The process was experimentally and numerically investigated using three types of the conventional blank and blanks having circular and square holes. To characterize the process, the deformation behaviors of blanks were intensively analyzed. In order to understand the effec

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Giuliano, Gillo, and Wilma Polini. "Influence of the Initial Blank Geometry on the Final Thickness Distribution of the Hemispheres in Superplastic AZ31 Alloy." Applied Sciences 12, no. 4 (2022): 1912. http://dx.doi.org/10.3390/app12041912.

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This work deals with the design of the thickness of an AZ31 alloy blank, which is a superplastic magnesium material, to manufacture a hemisphere with a uniform final thickness. The finite element technique was used for the design process. The superplastic free-forming manufacturing was simulated for a part whose initial thicknesses were made to vary through two independent design parameters to obtain a linear thickness decrease from the pole to the end of the blank to form. This is because a linear thickness decrease is easily obtained through a machining process. The optimized blank, that is,

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Jiang, Yin Fang, Zhi Fei Li, Zhen Zhou Tang, and Lei Fang. "Study on the Drawing and Trimming Springback Characteristics of Cylinder Shallow Shell of Tailor Welded Blanks." Applied Mechanics and Materials 44-47 (December 2010): 143–47. http://dx.doi.org/10.4028/www.scientific.net/amm.44-47.143.

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In this study, the springback law of generatrix direction, circumferential direction of tailor welded blanks (TWBs) cylinder shallow shell impact from blank holder force, punch profile radius and sheet thickness was researched by finite element analysis, which was compared with non-welded blanks. The results show that: in the circumferential direction, with the increase of blank holder force, the trimming springback of the tailor welded blank of the thickness combination of 1.2mm and 0.8mm (TWB1208) is decreased firstly and then increased, which is larger than that of the non-welded blanks of

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Wang, Zhong Tang, Guang Xia Qi, and Shi Hong Zhang. "Study on Weld Seam Control and Thickness Distributing of Tailor-Welded Blanks Drawing." Applied Mechanics and Materials 80-81 (July 2011): 1035–38. http://dx.doi.org/10.4028/www.scientific.net/amm.80-81.1035.

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Deep drawing of square boxes of tailor-welded blanks (TWBs) was studied by experiment and simulation in this paper. When the tailor-welded square boxes with different thickness was drawn to square boxes, the weld seam moved towards the thick part on the bottom and towards the thin part on the wall of square boxes. If the blank-holder force was very small, the wrinkling will happen on the thin part. If the blank-holder was very large, fracture will occur on thin part. Draw beads and non-uniform blank-holder force were investigated to control the deformation of the TWBs workpieces in this paper.

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Demyanenko, E. G., and I. P. Popov. "Directional Thickness Alteration of a Thin-Walled Ring Blank Using Flanging and Forming for the Purpose of Receiving Conical Part." Key Engineering Materials 684 (February 2016): 253–62. http://dx.doi.org/10.4028/www.scientific.net/kem.684.253.

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In this article the flanging method of thin-walled ring blanks using the elastic punch and rigid die scheme is investigated. Presence of a cylindrical portion near the larger edge and a flat area at the side of the blank hole is mandatory. Such conditions allow producing conical parts with minimal thickness variation by altering height of the cylindrical portion. Conducted experimental studies showed that the minimal thickness variation values are not exceeding 16% for different materials and relative thicknesses less than 0,01.

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Costache, Elena, Gheorghe Brabie, and Augustin Jitaru. "Influence of the Blank Initial State on the Quality of the Small Drawn Parts." Applied Mechanics and Materials 371 (August 2013): 710–14. http://dx.doi.org/10.4028/www.scientific.net/amm.371.710.

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An optimum blank quality presents the following several benefits on the drawn part quality: it leads to an improved quality of the parts; it prevents some negative phenomena (like: fracture, a uniform distribution of material thickness in the drawn part and reduction of the blank holder force required during the drawing process). In the present work, an analysis was performed concerning the influence of the initial state of blank (microhardness, thickness, surface roughness and topography) on the quality of micro/milli cylindrical drawn parts made from aluminium alloy sheets having the followi

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Guo, Yu Qin, Xin Yang, Juan Juan Han, and Wei Chen. "Blow Molding Process Optimization of Amorphous Alloy Tube Blank Based on DEFORM Software." Advanced Materials Research 487 (March 2012): 525–29. http://dx.doi.org/10.4028/www.scientific.net/amr.487.525.

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In recent years, with the increase of the research about forming technology of amorphous alloys, blow molding is explored to process the amorphous shell parts and containers both at home and abroad. Jan Schroers of Yale University found that it can improve the formability of amorphous alloys greatly by adjusting the thickness of plate blank and prefabricating parison. In this article, choosing Zr44Ti11Cu10Ni10Be25 as the study object, plate blanks with variable thickness are prefabricated to optimize the uniformity of the wall thickness of tube blank molded and studies the effects of blowing p

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Kaliuzhnyi, Oleksandr, Volodymyr Kaliuzhnyi, Oleh Chuchin, Andrii Titarenko, and Vitaliy Lipodat. "Profiled Sheet Metal Blank for Flanging Flanges with Constant Wall Thickness." Journal of Engineering Sciences 12, no. 1 (2025): D9—D23. https://doi.org/10.21272/jes.2025.12(1).d2.

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This article applies the finite element method and the DEFORM software to study the influence of the die rounding radius on the axisymmetric flanging of a profiled sheet blank made of aluminum AL-1100 COLD. A profiled blank with a part with an increased thickness to be flanged is obtained by forming a hole by extrusion by punching a bridge. It has the most significant thickness near the hole, with a subsequent linear decrease to the original thickness. The elastic-plastic model of metal was used for modeling. To compare the results, we calculated the flanging of a traditional blank. The depend

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Jiang, Yin Fang, Lei Fang, Zhi Fei Li, and Zhen Zhou Tang. "Study on the Formability of Square Box Deep Drawing of Tailor Rolling Blanks." Key Engineering Materials 464 (January 2011): 469–73. http://dx.doi.org/10.4028/www.scientific.net/kem.464.469.

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As a new lightweight structural sheet metal, tailor rolled blanks has a good prospect in the future development of the automobile industry, and its formability is the current research focus. We use ABAQUS software to analyze the impacts of blank holder force, thickness ratio, die radius, shape and size of sheet metal on the movement of the transition zone and thickness direction strain on the formability of square box of tailor rolled blanks in deep drawing. The results show that, generally, in the punch and side wall corner, where thinning is more serious is a dangerous rupture area, while th

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Minh, Nguyen Quang. "Effect of Forming Parameters on Springback of Advanced High Strength Steel DP800." Applied Mechanics and Materials 703 (December 2014): 182–86. http://dx.doi.org/10.4028/www.scientific.net/amm.703.182.

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Springback is one of the main quality defects in the sheet forming. In this paper, numerical simulation is used to analyze the effects of blank holder force, friction coefficient, blank thickness, die corner radius and stroke on springback. The effect of blank holder force and blank thickness on springback is obvious. Springback decreases as the BHF and blank thickness increase. Increasing friction coefficient between tools and blank shows a good suppression effect on springback. Larger die corners increase the curvature of side wall and worsen the springback, but the springback of flange is r

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Rozprawy doktorskie na temat "Blank thickness"

Roberts, Warren Benjamin. "Black Liquor Droplet Combustion and Modeling." BYU ScholarsArchive, 2006. https://scholarsarchive.byu.edu/etd/745.

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Black liquor is an intermediate product of pulp production. Recovery boilers process black liquor to recover the inorganic material for recycling in the mill and to generate electricity and steam for the paper mill. Black liquor droplet combustion rates and mechanisms dictate many aspects of recovery boiler performance. This investigation documents new experimental data on single droplet pyrolysis and combustion in a laboratory furnace that mimics many of the essential features of commercial boilers (temperature, composition, droplet size, etc.). These experiments monitored single droplets pla

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Cavanagh, Daniele. "Developing soft tissue thickness values for South African black females and testing its accuracy." Diss., University of Pretoria, 2010. http://hdl.handle.net/2263/25716.

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In forensic science one frequently has to deal with unidentified skeletonised remains. When conventional methods of identification have proven unsuccessful, forensic facial reconstruction (FFR) may be used, often as a last resort, to assist the process. FFR relies on the relationships between the facial features, subcutaneous soft tissues and underlying bony structure of the skull. The aim of this study was to develop soft tissue thickness (STT) values for South African black females for application to FFR, to compare these values to existing literature or databases, and to test the accuracy a

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Hardison, Justin. "ACCURACY OF CONE-BEAM COMPUTERIZED TOMOGRAPHY IN DETERMINING THE THICKNESS OF THE PALATAL MASTICATORY MUCOSA." VCU Scholars Compass, 2012. http://scholarscompass.vcu.edu/etd/2691.

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BACKGROUND: The aim was to compare the thickness of the palatal masticatory mucosa as determined on a cone-beam computerized (CBCT) scan versus thickness determined via bone-sounding. METHODS: A total of twenty patients requiring palatal surgery participated. Thickness of the palatal tissue was measured at various points radiographically and clinically. The two techniques were compared to determine the agreement of the two measurement modalities. RESULTS: Analysis of variance determined that there was no significant difference between the two methods. A small bias of the radiographic measureme

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Pinkerton, Thad Marshall. "Sensitivity of Half-Cell Potential Measurements to Properties of Concrete Bridge Decks." BYU ScholarsArchive, 2007. https://scholarsarchive.byu.edu/etd/1258.

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Half-cell potential testing has been recommended as a non-destructive method for assessing the corrosion potential of reinforcing steel in concrete bridge decks. The technique is particularly useful because it can be utilized to evaluate the probability of corrosion before damage is evident at the surface of a bridge deck. The specific objective of this research was to quantify the effects of age, chloride concentration, concrete cover thickness, spatial position, temperature, and presence or condition of epoxy coating on half-cell potential measurements of concrete bridge decks typical of tho

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Lu, Guo-Shin, and 路國鑫. "Inkjet Printing with Heterostructures for Fabricating High-Resolution Thickness-Tunable Black Matrix of Color Filters." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/35904927712540927091.

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Holland, Zaiboonnisa. "Carotid intima-media thickness- A surrogate marker for coronary artery disease in the South African black population?" Thesis, 2006. http://hdl.handle.net/10539/1707.

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Faculty of Health Sciences School of Clinical Medicine 0420355x Zaiboon@hotmail.com<br>B-mode ultrasound measurement of the carotid intima-media thickness (CIMT) has been convincingly shown to be a predictor of coronary artery disease (CAD) in several studies. To my knowledge such assessments have not been carried out in the Black South African population, which hitherto had a low prevalence of CAD. However, with the increases in prevalence of a cluster of risk factors categorised as the Metabolic Syndrome (MS), CAD is inevitably on the increase. The purpose of this study was to eva

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Moodley, Premla. "An evaluation of transvaginal ultrasound in the assessment of endometrial thickness in black South African patients presenting with postmenopausal uterine bleeding." Thesis, 2004. http://hdl.handle.net/10321/2038.

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Dissertation submitted in full compliance with the requirements for the Master's degree in Technology: Radiography, Durban Institute of Technology, Durban, 2004.<br>The object of this study was to use Transvaginal ultrasound to evaluate the thickness of the endometrium to exclude endometrial abnormality in Black South African women with postmenopausal uterine bleeding. Transvaginal ultrasound is an excellent diagnostic method for assessing endometrial pathology. The study was carried out at the Gynaecological Ultrasound Department, King Edward VIII Hospital. The study included 76 Black w

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Smith, Alwyn Johannes. "Brain derived neurotrophic factor and structural vascular disease in black Africans : the SABPA study / Alwyn Johannes Smith." Thesis, 2014. http://hdl.handle.net/10394/12001.

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Motivation - Brain-derived neurotrophic factor (BDNF) is a protein complex, synthesised and secreted mainly by the central nervous system and is involved in neuronal maintenance. Research suggests that BDNF is implicated in various neurological and psychiatric diseases, while recent evidence suggests a role for the neurotrophin on the periphery as well. Indeed, the specific functional role of BDNF and its action mechanism in the cardiovascular system, especially in that of Africans, is yet to be determined. The cardiovascular health profile of black South Africans is a major concern as resear

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Sumalatha, J. "Studies on The Transport Rates of Heavy Metals in the Design of Liner Thickness and Remediation of Soils." Thesis, 2016. http://etd.iisc.ernet.in/handle/2005/2938.

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The enormous rate of increase in waste generation across the world is a serious threat to the future generation, if not handled properly, due to the creation of health hazards and global warming. This was awakened many engineers and researchers to find an appropriate solution for efficient management of waste. The land filling of the waste is the most widely adopted method for its disposal, whose efficiency mainly depends on the engineered barrier system in place. Though possessing many limitations, clay liner solely or along with Geo-membrane is often used to avoid ground and surface water co

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Sumalatha, J. "Studies on The Transport Rates of Heavy Metals in the Design of Liner Thickness and Remediation of Soils." Thesis, 2017. http://etd.iisc.ac.in/handle/2005/2938.

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Książki na temat "Blank thickness"

Truini, Margot. Lithology and thickness of the Carmel Formation as related to leakage between the D and N aquifers, Black Mesa, Arizona. U.S. Geological Survey, U.S Department of the Interior, 2006.

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DB, Comicast. Blank Comic Book Teen - Thickness 0. 0025 - Variety - Comicast DB. Independently Published, 2019.

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DB, Cominist. Blank Comic Book Girls - Thickness 0. 0025 - Variety - Cominist DB. Independently Published, 2019.

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DB, Comicaus. Blank Comic Book Paper - Thickness 0. 0025 - Variety - Comicaus DB. Independently Published, 2019.

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DB, Comicall. Blank Comic Book Anime - Thickness 0. 0025 - Variety - Comicall DB. Independently Published, 2019.

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DB, Comiczone. Blank Comic Book Pages - Thickness 0. 0025 - Variety - Comiczone DB. Independently Published, 2019.

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DB, Comicust. Blank Comic Book Thick Paper - Thickness 0. 0025 - Variety - Comicust DB. Independently Published, 2019.

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DB, Comiczar. Blank Comic Books for Kids - Thickness 0. 0025 - Variety - Comiczar DB. Independently Published, 2019.

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DB, Comicbar. Blank Comic Books for Kids to Write Stories - Thickness 0. 0025 - Variety - Comicbar DB. Independently Published, 2019.

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DB, Comiczond. Blank Comic Book for Kids Create Your Own Comics - Thickness 0. 0025 - Variety - Comiczond DB. Independently Published, 2019.

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Części książek na temat "Blank thickness"

Bendrhir, Sara, Kenza Bouchaala, Lahcen Azrar, Farah Abdoun, and Elhachmi Essadiqi. "Numerical Prediction of Effect of Hardening Laws on Springback and Blank Thickness Distribution During Cylindrical Deep Drawing Process." In International Conference on Advanced Intelligent Systems for Sustainable Development. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-35245-4_40.

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Adnan, MF, AB Abdullah, and MF Jamaludin. "Springback Study of Non-Uniform Thickness Aluminium Blanks." In Springback Assessment and Compensation of Tailor Welded Blanks. CRC Press, 2022. http://dx.doi.org/10.1201/9781003164241-7.

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Vinoth, M., and P. S. Prasad. "Optimization of Buffer Layer Thickness Over Black Cotton Soil." In Lecture Notes in Civil Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6237-2_47.

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Korzhuev, V. A. "Turbulence Influence on the Thickness of the Mixed Layer in the Coastal Zone of the Black Sea." In Springer Proceedings in Earth and Environmental Sciences. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-47851-2_9.

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Hussin, Amer Isyraqi, and Ahmad Baharuddin Abdullah. "Comparison of Joint Configuration for Aluminum 6061 Tailor Welded Blank with Dissimilar Thicknesses Using Friction Stir Welding." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-3307-3_27.

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DUROUX, P., G. de SMET, and J. L. BATOZ. "Influence of the Blank Contour on the Thickness Variation in Sheet Metal Forming." In Studies in Applied Mechanics. Elsevier, 1987. http://dx.doi.org/10.1016/b978-0-444-42859-2.50017-x.

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Chen, Gang, Jili Yin, Peixing Liu, and Ahmad Jalal Khan Chowdhury. "Development of New Hot Forming Process for High Strength Steel Tubes." In Proceedings of the 2022 International Conference on Smart Manufacturing and Material Processing (SMMP2022). IOS Press, 2022. http://dx.doi.org/10.3233/atde220829.

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The widely adopted the high strength steel tube is an important way to solve the lightweight body and collision safety. The traditional high pressure tube hydroforming and hot gas forming through “expansion” deformation to form hollow parts, and the internal pressure is the deformation driving force. There are some industrial difficulties such as heavy dependence on high pressure, wall thickness thinning and low production efficiency, which limits the production and application of high-strength steel tubes. Based on the principle of compression deformation, this paper develops the hot hydro-fo

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Deng, Jie, and Nansha Gao. "Periodic Acoustic Black Holes to Mitigate Sound Radiation from Cylindrical Structures." In Acoustic Emission - New Perspectives and Applications. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.101959.

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Acoustic black holes (ABHs) achieved by progressively diminishing structural thickness have been proved a very efficient approach for wideband vibration reduction, sound suppression, energy harvesting, and wave manipulation. In this chapter, the focus is placed on mitigating the sound emitted from cylindrical shells with embedded ABHs. In the applications of aeronautics, astronautics, and underwater vehicles, cylindrical shells are very common yet the vibroacoustic problems in such structures are very challenging. Even the researches on ABHs for straight beams and flat plates are boosting in r

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Patel, Shraddha, and Parul Verma. "Predictive Analytics Model for Breast Cancer Prognosis." In Advances in Medical Technologies and Clinical Practice. IGI Global, 2024. https://doi.org/10.4018/979-8-3693-6308-9.ch009.

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Breast cancer remains a leading cause of mortality among women globally, necessitating the development of robust prognostic models to enhance patient outcomes and guide clinical decision-making. In this study, Our analysis incorporates critical cell details including Clump Thickness, Uniform Cell Size, Uniform Cell Shape, Marginal Adhesion, Single Epithelial Cell Size, Bare Nuclei, Bland Chromatin, Normal Nucleoli, and Mitoses. They are obtained through microscopic examination of stained breast tissue samples. Pathologists assess these features by evaluating the morphology and structure of cel

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Bers, Abraham. "Radiation and fluctuations in plasmas." In Plasma Physics and Fusion Plasma Electrodynamics. Oxford University PressOxford, 2016. http://dx.doi.org/10.1093/acprof:oso/9780199295784.003.0032.

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Abstract This chapter outlines the interaction of radiation with matter and plasmas. The interaction of radiation fields, in general, with material particles inside a plasma is treated in detail. For a quantitative evaluation of the radiation emitted by a plasma, one needs to take account of its optical thickness for the radiation that it can emit. If the plasma is optically thick (fully-opaque), then it emits as a black body, and the resulting energy loss can be important. To evaluate the radiated power in an optically thin plasma on the other hand, one needs to proceed to a detailed analysis

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Streszczenia konferencji na temat "Blank thickness"

Habib, K. "Measurement of Surface Resistivity/Conductivity of Carbon Steel in Inhibited Seawater by Optical Interferometry Techniques." In CORROSION 2011. NACE International, 2011. https://doi.org/10.5006/c2011-11397.

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Abstract Optical interferometry techniques were used for the first time to measure the surface resistivity/conductivity of carbon steel samples in blank seawater and in seawater with different concentrations of a corrosion inhibitor, without any physical contact. The measurement of the surface resistivity/conductivity of carbon steel samples was carried out in blank seawater and in seawater with a concentration range of 5-20ppm of KGR-134 corrosion inhibitor, at room temperature. In this investigation, the real-time holographic interferometry was carried out to measure the thickness of anodic

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Pint, B. A., and J. R. Keiser. "Alloy Selection for High Temperature Heat Exchangers." In CORROSION 2006. NACE International, 2006. https://doi.org/10.5006/c2006-06469.

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Abstract Various commercial alloys are being investigated for use as shield tubes in a high temperature heat exchanger for a black liquor gasification system at a paper mill. As a first step in the selection process, laboratory air exposures are being conducted at 900°-1100°C for times &gt;36,000h to model lifetime as a function of tube wall thickness. The results at the highest temperature illustrate the performance difference between alumina- and chromia-forming alloys. Alumina-formers of sufficient thickness can be expected to meet the 40,000h lifetime goal at 1100°C. Among the chromia-

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Kish, J. R., D. L. Singbeil, J. R. Keiser, and F. R. Jetté. "Assesment of Molten Na2S●xH2O/NaOH Solutions as a Cause of Composite Tube Corrosion in Kraft Recovery Boilers." In CORROSION 2006. NACE International, 2006. https://doi.org/10.5006/c2006-06236.

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Abstract Cladding/overlay thickness measurements were made on several primary air ports fabricated from alternative composite tubes installed in a kraft recovery boiler to document the fireside corrosion. Laboratory corrosions tests were then conducted to reproduce the relative corrosion rates determined by the field thickness measurments. It was found that all of the major available composite tube systems are suceptible to corrosion. Hydrated sodium sulphide and oxygen in combination with sodium hydroxide are implicated as major components in the liquid environment that causes the corrosion.

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Brown, Avery, Bhavya Patel, Noah Robertson, et al. "Blade Stiffened Carbon/Epoxy Panels with Longitudinally Tapered Acoustic Black Holes for Vibration Reduction." In Vertical Flight Society 81st Annual Forum and Technology Display. The Vertical Flight Society, 2025. https://doi.org/10.4050/f-0081-2025-276.

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Carbon/epoxy stiffened panels are being increasingly used in transport rotorcraft. The reduced mass density and high stiffness of carbon/epoxy composites can lead to higher levels of vibration relative to comparable metallic structures, which themselves can have vibrations and interior noise high enough to damage the hearing of crew and passengers. The current investigation explores a method to reduce the vibration of carbon/epoxy stiffened panels by introducing thickness tapers known as acoustic black holes (ABHs). The ABH feature is integrated into either the stiffeners or plate of a represe

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Brown, Avery, Ben Beck, Micah Shepherd, et al. "Circular Acoustic Black Holes Integrated into Carbon/Epoxy Stiffened Panels for Noise Control." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1245.

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Carbon fiber reinforced epoxy composite stiffened panels are increasingly being used for structural components in large transport rotorcraft. However, problems are arising with high levels of vibration and interior noise due to the increased stiffness-to-density ratio of composites. The current investigation explores the potential of reducing vibrations in carbon/epoxy stiffened panels with the integration of acoustic black holes (ABH), namely features that incorporate a power law thickness taper. The proposed approach involves designing a taper into the thickness of the blade stiffeners as we

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Maldonado, L., and Safaa Alhassan. "Corrosion Resistance of Galvanized Bars in Concrete Structures Exposed in the Caribbean." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04316.

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Abstract The aim of this research is to assess the corrosion performance of galvanized reinforcing bars in concrete elements exposed to natural tropical marine environment in the Mexican Caribbean, using limestone aggregates and ordinary Portland cement (OPC). Reinforced prisms of concrete with water to cement (w/c) ratios of 0.4, 0.5, 0.6 and 0.7 were half-immersed in seawater at a seashore site in the Yucatan Peninsula (Sisal). Corrosion was monitored by corrosion potential and linear polarization resistance measurements. The chloride penetration in the concrete was also measured. Corrosion

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Hirano, Teruyoshi, Ryuji Matsuo, Kozue Tomiyama, et al. "High-resolution thickness measurements and evaluation of a photomask blank." In Photomask Technology and Management, edited by Frank E. Abboud and Brian J. Grenon. SPIE, 1999. http://dx.doi.org/10.1117/12.373351.

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Agrawal, Anupam, N. Venkata Reddy, and P. M. Dixit. "Optimal Blank Shape Prediction Considering Sheet Thickness Variation for Multistage Deep Drawing." In ASME 2015 International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/msec2015-9376.

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Deep drawing is one of the very old and widely practiced processes in the sheet metal industries for producing beverage cans and automobile components. Many of the deep drawn components need multiple draws to achieve the required dimensions, because often it is not possible to obtain the desired reduction in the first draw. Among several defects that occur during the process, earing is one of the prominent and common defect. In the present work, analysis has been carried out by dividing the total deformation region into several zones. Analysis of each zone is carried out by proposing kinematic

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DorMohammadi, Saber, Mohammad Rouhi, and Masoud Rais-Rohani. "Topology Optimization of Blank Geometry for the Sheet Forming Process." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-71497.

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The newly developed element exchange method (EEM) for topology optimization is applied to the problem of blank shape optimization for the sheet-forming process. EEM uses a series of stochastic operations guided by the structural response of the model to switch solid and void elements in a given domain to minimize the objective function while maintaining the specified volume fraction. In application of EEM to blank optimization, a sheet forming simulation model is developed using Abaqus/Explicit. With the goal of minimizing the variability in wall thickness of the formed component, a subset of

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Bari, N. "Experimental investigation on thinning and forming force acting on multi-stage single point incremental forming." In Sheet Metal 2023. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902417-7.

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Abstract. This paper describes a study of thinning and forming force in multi-stage single point incremental forming. Four process parameters namely pitch, tool diameter, blank thickness and initial draw angle are considered to study their influence on maximum thinning and peak forming force. Experiments are designed using face-centered composite design (CCD). Experimental results are analyzed using analysis of variance (ANOVA). It is found that initial draw angle is the most influencing parameter for maximum thinning, while peak forming force is most influenced by blank thickness. Maximum thi

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Raporty organizacyjne na temat "Blank thickness"

Tommervik, Lucas, Daniel Shreiber, and Daniel Pope. Comparing Thickness Measurement Methods Using Bland–Altman Analysis. DEVCOM Army Research Laboratory, 2021. http://dx.doi.org/10.21236/ad1149580.

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Campbell, Seth, Zoe Courville, Samantha Sinclair, and Joel Wilner. Brine, englacial structure and basal properties near the terminus of McMurdo Ice Shelf, Antarctica. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/45303.

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We collected ∼1300 km of ground-penetrating radar profiles over McMurdo Ice Shelf, Antarctica, using frequencies between 40 and 400 MHz to determine extent, continuity and depth to the brine. We also used profiles to determine meteoric ice thickness and locate englacial features, which may suggest ice shelf instability. The brine extends 9–13 km inland from the ice shelf terminus and covers the entire region between Ross, White and Black Islands. Jump unconformities and basal fractures exist in the brine and ice shelf, respectively, suggesting prior fracturing and re-suturing. One 100 MHz prof

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