共搜索到46212条信息，每页显示10条信息，共4622页。用时：0小时0分1秒319毫秒
Microstructural evolution during solution treatment of thixoformed AM60B Mg alloy HUANG Hai-jun, CHEN Ti-jun , MA Ying, HAO Yuan Key Laboratory of Gansu Advanced Non-ferrous Metal Materials... during solution treatment of AM60B Mg alloy prepared by thixoforming. The results indicate that the microstructural evolution includes two stages: the first stage involves rapid dissolution of eutectic......
Trans. Nonferrous Met. Soc. China 22(2012) 1533-1539 Grain refining technique of AM60B magnesium alloy by MgCO3 CHEN Ti-jun, WANG Rui-quan, HUANG Hai-jun, MA Ying, HAO Yuan Key Laboratory of Gansu... on microstructure of AM60B magnesium alloy with MgCO3 were investigated and then a refining technique was developed. Simultaneously, the corresponding mechanisms were discussed. The results indicate......
microstructure and the elimination of coarse brittle β-particles in heat-treated samples. Key words: Mg-Al alloy; AM60B alloy; die-cast; Weibull analysis; fracture strength; fluidity 1 Introduction... microstructure of AM60B alloy is shown in Fig. 5(a). The presence of α-Mg dendrite cells and interdendritic/grain boundary β-Mg17Al12 with the EDS analysis shown in Fig. 5(b) is quite evident......
Effects of shot speed and biscuit thickness on externaly solidified crystals of high-pressure diet cast AM60B magnesium alloy WANG Bai-shu1, 2, XIONG Shou-mei1 1. State Key Laboratory... with a diameter of 6.4 mm and a gauge length of 50 mm were processed, and the microstructures of die cast AM60B alloy under different die casting process parameters were observed. The influences......
to form the liquid phase after being heated for 3 min. According to Mg-Al binary phase diagram, AM60B alloy will experience a single α phase interval during heating[15]. So, the β phase dissolves towards.... Then, the microstructure evolves into the individual polygonal particles separated by thin liquid layers. According to the Mg-Al binary phase diagram or the solidification process of AM60B alloy[15], this penetration......
文章编号:1004-0609(2007)03-0402-04 Mg纳米粉的制备及其氧化特性 孙维民1,徐东年1,郑 卓1,张 毅1,刘 正2 (1. 沈阳工业大学 理学院,沈阳 110023； 2. 沈阳工业大学 材料科学与工程学院,沈阳 110023) 摘 要:分别在Ar,H2+Ar和CH4+Ar混合气氛下,用电弧放电法蒸发纯Mg制备了Mg纳米粉.用XRD,TEM,BET,化学分析,氧含量分析,DSC-TGA等测试手段研究了粉体的相组成,形貌,粒度分布,比表面积和氧化特性等.结果表明:在3种不同气氛条件下制备的纳米粉体的主相是Mg,含有少量MgO,其中在CH4+Ar混合气氛下制备的纳米粉体中还含有2%(质量分数)的C,粒子形貌均为类球形,平均粒度分别为156,195和181 nm,比表面积分别为22.12,17.70和19.07......
precipitated as discontinuous network at grain boundaries. XRD analysis indicates that as-cast AM60B magnesium alloy consisted of α-Mg matrix and β-Mg17Al12 phase (Fig. 5). Fig. 4 Microstructure of as-cast...Trans. Nonferrous Met. Soc. China 22(2012) s435-s444 Spheroidal microstructure formation and thixoforming of AM60B magnesium alloy prepared by SIMA process WANG Li-ping, JIANG Wen-yong, CHEN Tian......
Trans. Nonferrous Met. Soc. China 27(2017) 352-362 Application of Ce-V/ sol-gel composite coating for corrosion protection of AM60B magnesium alloy S. NEZAMDOUST, D. SEIFZADEH Physical Chemistry...: Application of a composite coating on AM60B magnesium alloy consisting of cerium-vanadium conversion coating and a hybrid sol-gel layer was investigated. Scanning electron microscopy and energy dispersive X......
......
). The pin specimens made from commercial AM60B alloy were machined to 6 mm in diameter and 12 mm in length. Because Mg-Fe was a popular sliding couple in engineering, commercial AISI 10 steel (HB171... Dry sliding wear behavior and mechanism of AM60B alloy at 25-200 ℃ YANG Zi-run1, WEI Min-xian2, ZHAO Yu-tao2, WANG Shu-qi2 1. School of Materials Engineering, Yancheng Institute of Technology......
