共搜索到22733条信息,每页显示10条信息,共2274页。用时:0小时0分0秒328毫秒
Trans. Nonferrous Met. Soc. China 30(2020) 2650-2657 Microstructure modification and precipitation strengthening for Mg-6Zn-1Mn-4Sn-0.5Ca through extrusion and aging treatment Xia CHEN1,2, Ding-fei... be attributed to the precipitation strengthening of β' phase. Key words: Mg-6Zn-1Mn-4Sn-0.5Ca; extrusion; aging; microstructure; precipitation strengthening 1 Introduction Magnesium (Mg) alloys have become......
......
:The microstructure and mechanical properties of 95W-5(Ni/Fe/Co) alloys were studied, as well as the relationships between hot hydrostatic extrusion(HHE) technics factors and precipitation, the relationship... by SEM and precipitation by TEM, the micro-characters of the plasticity change with deformation temperature was exposed. The results show that the fracture strength almost keeps constant at 400-600......
improve the compressive properties of NiAl–28Cr-5.5Mo-0.5Hf alloys. The microstructural refinement and the stronger precipitation strengthening mechanisms are responsible to the improvement...: NiAl-28Cr-5.5Mo-0.5Hf; processing; microstructure refinement; precipitation strengthening; high solidification rate 1 Introduction Intermetallic alloys based on nickel aluminium (NiAl) are subjects......
:A Effect of 1,2-Octanediol on seeded precipitation of sodium aluminate solution YIN Zhou-lan, ZHANG Ai-min, CHEN Qi-yuan, JING Ye-ling, ZENG Ji-shu (School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China) Abstract: Effect of non-ionic surfactant 1,2-Octanediol on the seeded precipitation of sodium aluminate solution has been investigated. The experimental......
; neutralization precipitation method; [全文内容正在添加中] ......
......
rolling-on-line solution-cold rolling-aging condition exist in the form of Fe and Fe3P. Sub-structure strengthening coming from the thermo-mechanical treatment and precipitation strengthening of Fe and Fe3P particles is responsible for high strength of the alloy. Key words: Cu-2.5Fe-0.03P alloy; microstructure; properties evolution; precipitation strengthening  ......
and Engineering of Ministry of Education, Changsha 410083, China Received 29 June 2009; accepted 25 August 2009 Abstract: The precipitation behaviors of the Cu-Ni-Si alloys during aging were studied... that the precipitates are β-Ni3Si and δ-Ni2Si phases. Key words: Cu; Cu-Ni-Si alloy; dynamics; phase transformation; precipitation; electrical conductivity 1 Introduction Cu-Ni-Si alloys are used......
......