共搜索到16147条信息,每页显示10条信息,共1615页。用时:0小时0分0秒328毫秒
/N) nanoprecipitates in type 347 H austenitic steel was systematically studied. To investigate the coarsening behavior and the growth mechanism of MX carbonitrides during long-term aging, experiments...Coarsening behavior of MX carbonitrides in type 347H heat-resistant austenitic steel during thermal agingYing-hui Zhou,Chen-xi Liu,Yong-chang Liu,Qian-ying Guo,Hui-jun LiState Key Lab of Hydraulic......
and the shape factor decreases, which has no visible effect on the solid fraction of alloys at the solid-liquid equilibrium stage. Simultaneously, the parimary particle size coarsening with holding time obeys the Ostwald ripening mechanism, and adding Al element into Mg-7Zn alloy results in a decrease of coarsening rate of solid particles in semi-solid slurry, consequently, it can obtain the perfect semi......
, Harbin Engineering University, Harbin 150001, China) Abstract: In order to improve the performance of the Ag-IPMC, two different coarsening methods were used to conduct coarsening processing... and analyzed. The results show that the coarsening processing effect of basement membrane using self-made electric device is relatively excellent. Basement membrane surface has a even pit, and this also......
Coarsening Behavior of Gamma Prime Precipitates in a Nickel Based Single Crystal SuperalloyS.Tang1,2,L.K.Ning1,2,T.Z.Xin1,2,Z.Zheng21. University of Chinese Academy of Sciences2. Superalloy Division... accelerate the rate of coalescence in the dendrite arms.The average sizes of precipitates were used to compare interface with diffusion controlled growth mechanism and no mechanism seems obviously dominant......
be expressed by the Zener’s equation.The movement of Y-junctions was determined to be the fundamental mechanism underlying the martensite lath coarsening process.Vickers hardness was estimated to determine...Precipitation behavior and martensite lath coarsening during tempering of T/P92 ferritic heat-resistant steelLin-qing Xu1,Dan-tian Zhang1,Yong-chang Liu1,Bao-qun Ning1,2,Zhi-xia Qiao1,3,Ze-sheng......
Grain coarsening in semi-solid state and tensile mechanical properties of thixoformed AZ91D-RE王丽萍,陈添,姜文勇,冯义成,董文学,王志伟,梁镇强,朱岩College of Materials Science and Engineering,Harbin University of Science... time resulted in grain coarsening and the improvement in degree of spheroidization.The coarsening behaviour of solid grains in the semi-solid state obeyed Ostwald ripening mechanism.The coarsening rate......
Grain coarsening in semi-solid state and tensile mechanical properties of thixoformed AZ91D-RE王丽萍,陈添,姜文勇,冯义成,董文学,王志伟,梁镇强,朱岩College of Materials Science and Engineering,Harbin University of Science... time resulted in grain coarsening and the improvement in degree of spheroidization.The coarsening behaviour of solid grains in the semi-solid state obeyed Ostwald ripening mechanism.The coarsening rate......
distribution, indicating that the coarsening of precipitates was controlled by interface reaction, not diffusion. The Orowan bypass strengthening was operative mechanism at 150°C.关键词:...Coarsening kinetics and strengthening mechanisms of core-shell nanoscale precipitates in Al-Li-Yb-Er-Sc-Zr alloyYang Wang1,Shun Zhang1,Ruizhi Wu1,2,Nodir Turakhodjaev3,Legan Hou1,Jinghuai......
and Ostwald ripening generally control grain coarsening, and Ostwald repining is the main mechanism when the liquid fraction is relatively high[19]. In accordance with our observations (Figs.2-3... interfacial curvature to low interfacial curvature. As the shape of particles is fairly globular, the long-range coarsening between different particle sizes is the main mechanism to decrease surface......
Multiphase-field modelling of concurrent grain growth and coarsening in complex multicomponent systemsP.G.Kubendran Amos1,Ramanathan Perumal1,2,Michael Selzer1,2,Britta Nestler1,21. Institute... approach,with a provision for introducing grain boundary and interphase diffusion, is extended to analyse concurrent grain growth and coarsening in multicomponent polycrystalline microstructures......