Добірка наукової літератури з теми "Β-grain"
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Статті в журналах з теми "Β-grain":
Zhang, Xue, Yi Chen, Feng Shou Zhang, Jun Ting Yang, Yun Jin Lai, Hong Chao Kou, Jin Shan Li та Lian Zhou. "Microstructural Evolution and Precipitation Mechanism of α-Phase in Ti-55531 Alloy Aged at High Temperature". Materials Science Forum 747-748 (лютий 2013): 912–18. http://dx.doi.org/10.4028/www.scientific.net/msf.747-748.912.
Liu, Mingqi, and Sia Nemat-Nasser. "Microstructure of a bearing-grade silicon nitride." Journal of Materials Research 14, no. 12 (December 1999): 4621–29. http://dx.doi.org/10.1557/jmr.1999.0625.
Yan, Meng Qi, Ai Xue Sha, Wang Feng Zhang та Yu Hui Wang. "Recovery and Recrystallization Behavior of Large Sized β Phase Grains in TC18 Titanium Alloy during Annealing Process". Materials Science Forum 817 (квітень 2015): 263–67. http://dx.doi.org/10.4028/www.scientific.net/msf.817.263.
Wang, Xiao Xiang, Wei Qi Wang, and Yong Qiang Zhang. "Effect of Heat Treatment and Thermal Exposure on Microstructure of the Alloy C+ Bars." Materials Science Forum 765 (July 2013): 506–10. http://dx.doi.org/10.4028/www.scientific.net/msf.765.506.
Gerasimov, Sergey Aleksandrovich, Vadim Igorevich Polonskiy, Alena Vladimirovna Sumina, Nikolay Aleksandrovich Surin, Aleksey Gennad'yevich Lipshin, and Sanita Aldonovna Zyute. "THE INFLUENCE OF GENOTYPE AND CULTIVATION CONDITIONS OF OATS IN THE CONTENTS OF BIOLOGICALLY ACTIVE COMPONENTS IN GRAIN." chemistry of plant raw material, no. 2 (June 10, 2020): 65–71. http://dx.doi.org/10.14258/jcprm.2020025515.
Shyamalee, H. A. P. A., and A. L. Ranawake. "Path coefficient analysis using traditional and improved rice genotypes for trait effect on grain yield ." Journal of the National Science Foundation of Sri Lanka 52, no. 1 (April 9, 2024): 93–102. http://dx.doi.org/10.4038/jnsfsr.v52i1.11649.
Yang, Lin, Jun Dong Wang, Si Ni Wang, Li Lin та Zheng Liu. "Microstructure and Kinetics of β-Mg17Al12 Phase Transformation for Warm Rolled AZ91 Magnesium Alloy". Materials Science Forum 747-748 (лютий 2013): 421–25. http://dx.doi.org/10.4028/www.scientific.net/msf.747-748.421.
Shu, Dayu, Li Wang, Qiang Chen, Yi Yao, Minghui Li та Rui Wang. "Understanding the Role of β Recrystallization on β Microtexture Evolution in Hot Processing of a Near-β Titanium Alloy (Ti-10V-2Fe-3Al)". Metals 11, № 9 (3 вересня 2021): 1397. http://dx.doi.org/10.3390/met11091397.
Zhang, Shuzhi, Qibin Wang, Xing Cheng, Jianchao Han, Wanggang Zhang, Changjiang Zhang, and Jie Wu. "Static Recrystallization Behavior and Texture Evolution during Annealing in a Cold Rolling Beta Titanium Alloy Sheet." Metals 12, no. 6 (May 25, 2022): 899. http://dx.doi.org/10.3390/met12060899.
Hui, Qiong, Xiang Yi Xue, Hong Chao Kou, Min Jie Lai, Bin Tang та Jin Shan Li. "Phase Transformation and Microstructure Evolution in Near-β Ti-7333 Titanium Alloy during Aging". Materials Science Forum 747-748 (лютий 2013): 904–11. http://dx.doi.org/10.4028/www.scientific.net/msf.747-748.904.
Дисертації з теми "Β-grain":
Olsson, Mirja. "Chemical stability of grain boundariesin β-tricalcium phosphate ceramics : β-TCP as bone substitute material". Thesis, Uppsala universitet, Institutionen för kemi - Ångström, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-173285.
Giroud, Tiphaine. "Impact de la structure β sur le comportement mécanique de l’alliage de titane β-métastable Ti-10V-2Fe-3Al". Electronic Thesis or Diss., Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2024. http://www.theses.fr/2024ESMA0003.
High strength metastable β titanium alloys are increasingly employed in the aircraft industry due to their outstanding strength to-weight ratio. In particular, the Ti-10V-2Fe-3Al alloy has been successfully used in landing gears of modern aircrafts. A major challenge for their use is to understand the anisotropy and variability of tensile properties, particularly for ductility. These alloys have a high β-phase fraction at room temperature (around 40%), and its involvement in the anisotropy of mechanical properties has been relatively understudied. This thesis focused on understanding the respective impact of β-phase morphological and crystallographic textures on the tensile properties of the Ti-10V-2Fe-3Al alloy. Monotonic tensile tests at room temperature with multiple sampling directions highlighted the non-negligible role of the β-phase on the anisotropy of the mechanical behavior. In-situ DIC during tensile tests under an optical microscope has shown that strain localization is governed by elastic anisotropy and the morphological orientation of the β-phase. Strain distribution is correlated with elongation, which also depends on active damage mechanisms. In particular, the morphological and crystallographic orientations of the β-grain are decisive for the damage mechanism, whether trans- or inter-granular. The influence of stressed volume on the variability of mechanical properties was also considered due to the millimetric size of β-grains. Increasing the stressed volume leads to strain homogenization and improves damage resistance at the specimen scale. However, increasing the stressed volume also increases the probability of containing critical microstructure configurations,responsible for specimen failure. There is a complex relationship between specimen size and ductility
Sehgal, Blossom. "Stored-grain insect management with insecticides: evaluation of empty- bin and grain treatments against insects collected from Kansas farms." Thesis, Kansas State University, 2013. http://hdl.handle.net/2097/15528.
Department of Grain Science and Industry
Bhadriraju Subramanyam
The insecticides, β-cyfluthrin and chlorpyrifos-methyl plus deltamethrin, are approved in the United States for treating empty bin surfaces. Chlorpyrifos-methyl plus deltamethrin and spinosad insecticides are approved for direct treatment of wheat. The efficacy of commercial formulations of β-cyfluthrin and chlorpyrifos-methyl plus deltamethrin at labeled rates was evaluated against adults of 16 field strains of the red flour beetle, Tribolium castaneum (Herbst); seven strains of sawtoothed grain beetle, Oryzaephilus surinamensis (L.); and two strains of the lesser grain borer, Rhyzopertha dominica (F.). Concrete arenas in plastic Petri dishes (9 cm diameter) were used to simulate the concrete floor of empty bins. The time for ~100% knockdown and mortality of adults of laboratory strains of the three species was first established by exposing them to insecticide-treated concrete surfaces for 1 to 24 h. Adults of field strains of each species were exposed to specific established insecticide-time combinations. Mortality of all species was lower than knockdown, suggesting recovery after seven days when placed on food. Chlorpyrifos-methyl plus deltamethrin did not control all R. dominica and most O. ]surinamensis field strains. β-cyfluthrin was extremely effective against R. dominica but ineffective against T. castaneum and O. surinamensis field strains, even at four times the high labeled rate. Field strains of R. dominica were highly susceptible to spinosad and chlorpyrifos-methyl plus deltamethrin at labeled rates on hard red winter wheat. Strains of T. castaneum and O. surinamensis were susceptible only to the latter insecticide. Dose-response tests with spinosad on the two least susceptible field strains of each species showed the lethal dose for 99% mortality (LD[subscript]99) for T. castaneum and R. dominica field strains were similar to that of the corresponding laboratory strains. Corresponding values for the two O. surinamensis field strains were significantly greater (~6 times) than the laboratory strain. The effective dose for progeny reduction (ED[subscript]99) of only one R. dominica field strain was significantly greater (~2 times) than that of the laboratory strain. The baseline susceptibility data of field strains of three insect species to spinosad will be useful for monitoring resistance development once this product is commercially released as a grain protectant.
Salib, Matthieu. "Étude cinétique et cristallographique de la précipitation de la phase α aux joints de grains β/β dans un alliage de titane". Thesis, Université de Lorraine, 2015. http://www.theses.fr/2015LORR0042/document.
This work focuses on the formation and the evolution of microstructure and microtexture associated with the α phase precipitation at β/β GBs in titanium alloys. A β-metastable alloy (Ti17) has been studied, because the high temperature microstructure is frozen by a rapid quench and the untransformed parent phase remains. Numerous 2D EBSD analyses and some 3D analyses have been carried out after transformation and under various thermal and thermo-mechanical treatments (isothermal conditions and continuous cooling (CC) without and with prior deformation of the parent phase). One great originality of this study is the automated statistical approach used to characterize the microtexture from EBSD data. An algorithm has been specifically developed in order to get the variants orientation as well as different representative data characterizing the microtexture. We have identified the link between the nucleation/growth kinetics of α phase and the microtexture development, a relationship that is often neglected in the literature, where one usually associates the microtexture only to the variant selection and to the initial β texture. The occurrence of variants selection (VS) has been performed considering different VS criteria; it has been shown that VS is very active for the first grains formed. These grains have the most favorable nucleation conditions. The variant selected is the one that minimizes the deviation to the Burgers Orientation Relationship with both β grains; i.e. the one for which interfacial energy and especially the elastic energy associated to its formation are minimized. Moreover, the crystallographic conditions of α colonies formation are studied and discussed
Brake, Derek William. "Effect of β-adrenergic agonists on urea recycling by cattle fed varying levels and forms of nitrogen supplementation". Thesis, Kansas State University, 2009. http://hdl.handle.net/2097/1667.
Department of Animal Sciences and Industry
Evan C. Titgemeyer
Two experiments analyzed effects of zilpaterol-HCl and nitrogen supplementation in the form of either dried distiller’s grains with solubles (DDGS) or urea fed to steers. In Experiment 1, steers were fed corn-based diets: control (CON; 10.2% CP), urea (UREA; 13.3% CP), or DDGS (14.9% CP). Nitrogen intake differed among treatments (99, 151, and 123 g/d for CON, DDGS, and UREA). Urea-N synthesis tended to be greater for DDGS (118 g/d) than for UREA (86 g/d), which tended to be greater than CON (52 g/d). Urinary urea-N excretion was greater ([italics]P[italics]<0.03) for DDGS (35.1 g/d) and UREA (28.6 g/d) than for CON (12.7 g/d). Gut entry of urea-N (GER) was numerically greatest for DDGS (83 g/d), intermediate for UREA (57 g/d), and least for CON (39 g/d). Urea-N returned to the ornithine cycle tended to be greater for DDGS (47 g/d) than for UREA (27 g/d) or CON (16 g/d). The percent of microbial N flow derived from recycled urea-N tended ([italics]P[italics]=0.10) to be greater for DDGS (35%) than for UREA (22%) or CON (17%). The percent of urea production captured by ruminal bacteria was greater ([italics]P[italics]<0.03) for CON (42%) than for DDGS (25%) or UREA (22%). Experiment 2 diets were identical to those used in Experiment 1. In addition, steers were also fed either 0 or 60 mg/d zilpaterol-HCl. Dietary CP was 9.6, 12.4, and 13.7% for CON, UREA, and DDGS, respectively. Zilpaterol increased ([italics]P[italics]<0.01) total DMI and N intake; however, zilpaterol did not affect urea entry rate ([italics]P[italics]=0.80) or GER ([italics]P[italics]=0.94). Urea entry rate and GER were numerically greater for DDGS than CON and UREA. In conclusion, zilpaterol did not influence urea entry rate or GER. This lack of response in the face of greater N intake was interpreted to suggest that zilpaterol may reduce urea production and GER at constant N intake.
Chuvil’deev, V. N., та A. V. Semenycheva. "Model of grain boundary diffusion in titanium and zirconium α- and β- phases". 2017. https://ul.qucosa.de/id/qucosa%3A31657.
Yen, Jun-hsien, та 顏潤賢. "The characterization of thermal electric properties for the nano/micro-grain β-Zn4Sb3 fabricated by the combination of melt spinning and vacuum hot pressing". Thesis, 2014. http://ndltd.ncl.edu.tw/handle/8657cg.
國立中央大學
機械工程學系
102
The thermoelectric(TE) material β- Zn4Sb3 has the best performance during 350~400℃. Its advantages include cheap and simply fabrication. Some research indicated that its zT value can reach 1.37 at 400℃[2]. However, Zn-Sb phase diagram shows complex phase transformation as Zn content is 35~45 wt%. In other words, it will produce other phase if composition had shift. Therefore, traditional manufacture method using melt diffusion and quenching to prevent segregation. But quenching process always results in forming many crack and crack inside the bulk β-Zn4Sb3 due to thermal chock, and then degraded mechanical properties. To resolve this problem, powder metallurgy process was selected to be the solution. In recent, doping and nanostructure is the major way to enhance TE performance. In this study, we select nanostructure as direction. We use two methods to make β-Zn4Sb3 powder. One is melt spinning process(20、30 m/s), which belong to one kind of rapid solidification process(RSP), to make β-Zn4Sb3 ribbon with has nano-grain. The other is melt diffusion, can make bulk β-Zn4Sb3 with large grain micrometer to nanometer. The RSP ribbons and melt diffused bulk material were grinded into powders of particle size <76 μm .Then mix these two kind powders and hot compress (HP) to make bulk samples. We wish this hybrid structure can increase the phonon scattering and decreasing the lattice thermal conductivity and then enhance zT value. The results proved that nano/micro grained structure can decrease thermal conductivity, those HP bulk sample composed of 30 wt% RSP powder and 70 wt% bulk powder have the lowest thermal conductivity(30m/s30%:8.00mW/cmK,20m/s30%:7.37:mW/cmK) among all of the TE samples in this study. However HP bulk sample composed of 100% RSP powder have similar thermal conductivity(30m/s:7.64 mW/cmK,20m/s:7.60 mW/cmK), and the zT value of RSP HP bulk sample are higher than the others. At 350℃, zT value of 30 m/s RSP HP bulk sample is 1.06;20 m/s RSP HP bulk sample is 0.97, compare the bulk HP ingot (0.85), its zT value shows significant improving.
Книги з теми "Β-grain":
Attems, Johannes, and Kurt A. Jellinger. Neuropathology. Oxford University Press, 2013. http://dx.doi.org/10.1093/med/9780199644957.003.0006.
Частини книг з теми "Β-grain":
Pilchak, Adam L., Dipankar Banerjee, and J. C. Williams. "Grain Boundary α and β Grain Boundary Orientation in Titanium Alloys." In Proceedings of the 13th World Conference on Titanium, 425–30. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119296126.ch66.
Salib, Matthieu, Mien Teixeira, Lionel Germain, Benoit Denand, Nathalie Gey, and Elisabeth Aeby-Gaurier. "Influence of α Precipitation at β/β Grain Boundaries on a Microtexture in A β- Metastable Titanium Alloy with and without Previous Deformation." In Proceedings of the 13th World Conference on Titanium, 405–14. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119296126.ch63.
Saito, Noritaka, Daiji Nakata, Kunihiko Nakashima, and Ayumu Umemoto. "Grain Growth of β-Silicon Nitride in Re-Mg-Si-O-N Liquid." In Ceramic Transactions Series, 71–80. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118144091.ch8.
Saito, Noritaka, Daiji Nakata, Ayumu Umemoto, and Kunihiko Nakashima. "Grain Growth of β-Silicon Nitride in RE-Mg-Si-O-N Liquid." In Key Engineering Materials, 265–70. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-965-2.265.
Ceja-Cárdenas, Leonel, José Lemus-Ruiz, Sebastián Diaz de la Torre, and Egberto Bedolla-Becerril. "Grain Growth of β-Si3 N4 using Y2 O3 and Al2 O3 as Sintering Aids." In Ceramic Transactions Series, 71–77. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118486955.ch7.
Donoghue, Jack, Jagjit Sidhu, Andrew Wescott, and Phillip Prangnell. "Integration of Deformation Processing with Additive Manufacture of Ti-6A1-4V Components for Improved β Grain Structure and Texture." In TMS2015 Supplemental Proceedings, 437–44. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093466.ch55.
Donoghue, Jack, Jagjit Sidhu, Andrew Wescott, and Phillip Prangnell. "Integration of Deformation Processing with Additive Manufacture of Ti-6Al-4V Components for Improved β Grain Structure and Texture." In TMS 2015 144th Annual Meeting & Exhibition, 437–44. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48127-2_55.
Ukyo, Yoshio, and Shigetaka Wada. "α‘ /β’ Sialon Composites." In Grain Boundary Controlled Properties of Fine Ceramics, 112–24. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-1878-1_13.
Matsumoto, J., Hiroshi Anada, and Mitsuaki Furui. "The Effect of Grain Size and Amount of β Phase on the Properties of Back-Torsion Working in 60/40 Brass." In THERMEC 2006 Supplement, 661–66. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-429-4.661.
Poorganji, Behrang, S. Hotta, Taichi Murakami, Takayuki Narushima, Yasutaka Iguchi, and Chiaki Ouchi. "The Effect of Small Amounts of Yttrium Addition on Static and under Superplastic Deformation Grain Growth in Newly Developed α+β Type, Ti-4.5Al-6Nb-2Mo-2Fe Alloy." In THERMEC 2006 Supplement, 970–75. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-429-4.970.
Тези доповідей конференцій з теми "Β-grain":
Deshpande, Abhishek, Qian Jiang, and Abhijit Dasgupta. "Anisotropic Plastic Constitutive Properties of SAC305 Single Crystal Solder Joints." In ASME 2022 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/ipack2022-94505.
Yamagata, Ryosuke, Yotaro Okada, Hirotoyo Nakashima та Masao Takeyama. "Microstructure Effect on Enhancement of Room-Temperature Ductility in β-Ti Containing γ-TiAl Based Alloys". У AM-EPRI 2019, редактори J. Shingledecker та M. Takeyama. ASM International, 2019. http://dx.doi.org/10.31399/asm.cp.am-epri-2019p1446.
Ivasishin, Orest, Pavlo Markovsky, Marta Pozuelo, and Sergey V. Prikhodko. "Effect of Severe Hot Forging and Rolling on Microstructure, Texture and Tensile Properties of Titanium Metastable Beta-Alloys." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-63767.
Shen, Xinwei, and Shuting Lei. "Cutting Simulation of Laser Assisted Milling of Silicon Nitride Ceramics Using PFC2D." In ASME 2009 International Manufacturing Science and Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/msec2009-84041.
Shihua Yang, Chunqing Wang, Yanhong Tian, Pengrong Lin та Le Liang. "Limited β-Sn grain number of miniaturized Sn-Ag-Cu solder joints". У 2008 International Conference on Electronic Packaging Technology & High Density Packaging (ICEPT-HDP). IEEE, 2008. http://dx.doi.org/10.1109/icept.2008.4607056.
González Jiménez, K. G. "Superplasticity of Ti-6Al-7Nb alloys with different initial microstructures processed by high-pressure torsion." In Superplasticity in Advanced Materials. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902615-7.
Huang, Mingliang L., Jiameng M. Kuang та Hongyu Y. Sun. "Electromigration-Induced β-Sn Grain Rotation in Lead-Free Flip Chip Solder Bumps". У 2019 IEEE 69th Electronic Components and Technology Conference (ECTC). IEEE, 2019. http://dx.doi.org/10.1109/ectc.2019.00312.
Karaman, Ibrahim, and G. Guven Yapici. "Effect of Severe Plastic Deformation on the Mechanical Behavior of Ti-6Al-4V." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43712.
Mondal, Debabrata, Jeffrey C. Suhling, Elham Mirkoohi, and Pradeep Lall. "Effects of Grain to Sample Volume Ratio on the Deformation Behavior of Polycrystal SAC Samples Subjected to Shear Loads." In ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/ipack2023-112034.
Huang, C., Y. Xie, C. Verdy, M. Planche, H. Liao, G. Montavon, W. Li, and Y. Feng. "Microstructural Evolution and Mechanical Property Enhancement of a Cold Sprayed Cu-Zn Alloy Coating by Post-Spray Friction Stir Processing." In ITSC2017, edited by A. Agarwal, G. Bolelli, A. Concustell, Y. C. Lau, A. McDonald, F. L. Toma, E. Turunen, and C. A. Widener. DVS Media GmbH, 2017. http://dx.doi.org/10.31399/asm.cp.itsc2017p0425.