共搜索到12649条信息，每页显示10条信息，共1265页。用时：0小时0分0秒578毫秒
, 110: 164-176. [6] KOKE J, MODIGELL M. Flow behavior of semi-solid metal alloys [J]. J Non-Newtonian Fluid Mech, 2003, 112: 141-160. [7] FAVIER V, CEZARD P, BIGOT R. Transient and non-isothermal semi... solid content [J]. Acta Mater,1999, 47(2): 517-528. [12] De GNNESFAVIER V, ROUFF C, BIGOT R, BERVEILLER M, ROBELET M. Micro-macro modeling of the isothermal steady-state behavior of semi-solids [J]. Int......
;CONCLUSIONS 1) During isothermal holding in the semi-solid state, the grain size of rheocasting billets increases gradually with the prolongation of isothermal holding time, while the grain size of extruding...Article ID: 1003-6326(2005)03-0577-06 Effect of original microstructures on microstructural evolution of A2017 semi-solid alloy billets during reheating WANG Shun-cheng(王顺成), CAO......
......
or between the liquidus and solidus. WU et al[8] created semi-solid metal of an Al-Si alloy by introducing mechanical vibration during isothermal holding for 5 min. They suggested that numerous nuclei... Evolution of microstructure in semi-solid slurries of rheocast aluminum alloy R. CANYOOK1, S. PETSUT1, S. WISUTMETHANGOON2, M. C. FLEMINGS3, J. WANNASIN1 1. Department of Mining and Materials......
Microstructure evolution and thixoforming behavior of 7075 aluminum alloy in the semi-solid state prepared by RAP methodJin-long Fu1,Kai-kun Wang1,Xiao-wei Li11. School of Materials Science and Engineering, University of Science and Technology Beijing摘 要:The effects of isothermal treatments on the microstructural evolution and coarsening rate of semi......
-alloys by isothermal forming compared to semi solid forming [J]. Journal of Materials Processing Technology, 1994, 45(1-4): 415-420. [13] ATKINSON H V. Modelling the semisolid processing of metallic... Inhomogeneity of density and mechanical properties of A357 aluminum alloy backward extruded in semi-solid state DU Zhi-ming1, 2, CHEN Gang1, CHENG Yuan-sheng1, XIE Shui-sheng2 1. School......
, deformation parameters of strain inducement, processing parameters of isothermal treatment and microstructure parameters of semi-solid alloy was established. The results indicate that compared... is the combination of new SIMA processes. That is, during the course of pre-deformation and semi-solid isothermal treatment for cast billets, other processes or billet fabrication methods are drawn......
% addition. The microstructural evolution was studied during semi-solid isothermal treatment, and the mechanism of fabrication and controlling of non-dendritic microstructure was discussed... isothermal treatment of magnesium alloy AZ91D. It is proposed that the microstructure in specimen is in dynamic equilibrium state of melting and crystallizing during semi-solid isothermal treatment......
Yuan, CHEN Ti-jun, YAN Feng-yun. Effects of isothermal heat treatment on microstructure evolution and formability of AZ91D magnesium alloy in semi-solid state [J]. The Chinese Journal of Nonferrous... states of alloy were prepared by applying different heat treatment processes: as-cast, in-complete solid solution, complete solid solution, micro-precipitation, continuous precipitation and continuous......
2020 Abstract: After a standard heat treatment, the microstructural evolution with time during isothermal aging at 850 °C and its effect on the creep rupture properties of the Ni-base superalloy... J. Cent. South Univ. (2020) 27: 325-333 DOI: https://doi.org/10.1007/s11771-020-4298-x Influence of long-term isothermal aging on microstructure and creep rupture properties of Ni-base superalloy......
