共搜索到6961条信息，每页显示10条信息，共697页。用时：0小时0分0秒494毫秒
, and elongation are increased by 6.35%, 15.30%, and 7.88%, respectively, while the AZ31 alloy does not exhibit significant hardening behavior over the aging period. Key words: AZ80 Mg alloy; AZ31 Mg alloy; tensile strength; precipitation; age hardening 1 Introduction Magnesium and its alloys are named as green metallic materials for the 21st century because of their low density and energy-saving capacity......
......
Age hardening responses of as-extruded Mg-2.5Sn-1.5Ca alloys with a wide range of Al concentrationQiuyan Huang1,Yang Liu1,Aiyue Zhang2,3,Haoxin Jiang2,3,Hucheng Pan2,3,Xiaohui Feng1,Changlin...="ChDivSummary" name="ChDivSummary">This article aims to explore the age hardening responses of both as-extruded and as-aged Mg-2.5 Sn-1.5 Ca-x Al alloys(x = 2.0, 4.0 and 9.0 wt%, termed TXA322, TXA324......
supersaturated Mg solid solution after off-line aging treatment, and lead to microstructure refinement of AZ91D alloy, so the effect of precipitation hardening is enhanced. The β-Al12Mg17 phases...: die-cast magnesium alloy; AZ91D alloy; on-line solution; off-line solution treatment; aging treatment; β-Al12Mg17 phases; microstructure refinement; precipitation hardening 1 Introduction Due......
elements and the co-clustering sequence. Key words: Al-Li alloy; alloying; microstructure; aging hardening; precipitation 新型铝锂合金由于具有密度低,弹性模量高,比强度高和比刚度高,疲劳裂纹扩展速率低和高,低温性能较好等特点,在航空航天领域得到广泛应用.目前,尽管面临复合材料的竞... studies demonstrate that the alloying elements can modify the dimension, morphology and distribution of phases, or stimulate the precipitation of the new phase in Al-Li alloys, and in addition......
Effects of precipitation strengthening heat treatment for Al-Mg alloy Seong-Jong KIM1, Seok-Ki JANG1, Min-Su HAN1, Seong-Kwon KIM2, Jong-Sin KIM3 1. Division of Marine System Engineering, Mokpo... and artificial aging treatment were established in order to optimize precipitation strengthening conditions intended to enhance the strength of Al alloys. Slow strain rate tests (SSRT) at various......
the aging precipitation in ultra-low carbon steels containing various coppers. The aging hardening curve was obtained by the hardness testing. With the aid of an optical microscope and TEM... endings of the plateau correspond to the precipitation start (Ps) and finish (Pf) times, respectively. The Pf obtained from the creep curve coincides with the peak hardness time (tp) at the aging hardening......
aged at the processes as shown in Table 2. The age behavior and precipitation hardening effect were determined by Vicker’s hardness with the testing load of 9.8 N. The tensile samples, prepared from.... [5] HUANG Z W, LORETTE M H, WHITE J. Influence of lithium additions on precipitation and age hardening of 7075 alloy [J]. Material Science and Technlogy, 1993, 9: 967-980. [6] HUANG Z W, LORETTE M H......
......
on natural aging and precipitation hardening behavior in Al-Mg-Si alloys[J]. Journal of Alloys and Compounds, 2017, 695: 2444-2452. [21] CHEN Rui, XU Qing-yan, GUO Hui-ting, XIA Zhi-yuan, WU Qin-fang, LIU Bai... casting; age hardening; precipitation kinetics Foundation item: Project(TC160A310-10-01) supported by the Industry Base Enhanced Project and Ministry of Industry and Information Technology, China......
