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Grain refining mechanism of Al-3B master alloy on hypoeutectic Al-Si alloys LIU Yuan1, 2, DING Chao2, LI Yan-xiang1, 2 1. Key Laboratory for Advanced Materials Processing Technology of Ministry...: Al-3B master alloy is a kind of efficient grain refiner for hypoeutectic Al-Si alloys. Experiments were carried out to evaluate the effect of undissolved AlB2 particles in Al-3B master alloy......
Influence of heat treatment on high frequency soft magnetic properties of Finemet amorphous alloy YANG Sha(杨 沙)1, 2, CHEN Bo-qu(陈伯渠) 1, 2, YAN Biao(严 彪) 1, 2, LU Wei(陆 伟) 1, 2, LONG Ling(龙..., Tongji University, Shanghai 200092, China Received 15 July 2007; accepted 10 September 2007 Abstract: In order to study high-frequency soft magnetic properties of Finemet amorphous alloy......
Microstructure and properties of high silicon aluminum alloy with 2% Fe prepared by rheo-casting ZHONG Gu(钟 鼓), WU Shu-sen(吴树森), AN Ping(安 萍), MAO You-wu(毛有武), LI Shi-zhao(李世钊) State Key.... The semi-solid slurry of high silicon aluminum alloy was prepared by direct ultrasonic vibration (DUV) which was imposed on the alloy near the liquidus temperature for about 2 min. Then, standard test......
Effect laws and mechanisms of different temperatures on isothermal tensile fracture morphologies of high-strength boron steelLIU Jia-ning(刘佳宁)1, SONG Yan-li(宋燕利)2, 3, LU Jue(路珏)1, GUO Wei(郭巍)2, 3(1...), Wuhan 430070, China;3. School of Automotive Engineering, Wuhan University of Technology, Wuhan 430070, China)Abstract:The fracture behaviour and morphologies of high-strength boron steel were......
Trans. Nonferrous Met. Soc. China 23(2013) 3167-3172 Grain refinement mechanism of Al-5C master alloy in AZ31 magnesium alloy Ai-min ZHANG, Hai HAO, Xing-guo ZHANG School of Materials Science and Engineering, Dalian University of Technology, Dalian 116023, China Received 22 October 2012; accepted 8 January 2013 Abstract: Al-5%C master alloy was prepared by powder in situ synthesis process......
for producing high effective, fast modification and high Sr content Al-Sr20 master alloy and its application[J]. Advanced Materials Research, 2012, 396/398: 2361-2365. [19] 李建国, 马洪涛, 张柏清, 方鸿生...; 文献标志码:A Preparation and application of novel Al-Ti-B-Sr composite master alloy wire LIAO Cheng-wei1, CHEN Huan2, LUO Cheng-zhi1, CHEN......
can be volatilized from silicon in form of high volatile P2[5]. But the boron removal is still a challenge for its large segregation coefficient to silicon (k0=0.8) and low vapor pressure (pB=10-6 Pa... on the macrosegregation of boron in vacuum melting pouring ingot of GH901 alloy [J]. Special Steel Technology, 2006, 12(48): 5-13. [8] TEIXEIRA LEANDRO A V, MORITA K. Thermo-dynamics of boron removal from molten silicon......
of boron on aluminum alloys was discussed. The experimental results show that Al-B master alloy has very poor grain refinement effect on pure Al, and exhibits a weak grain refinement effect only if B...中心,而共晶反应机制是Al-B中间合金具有晶粒细化作用的主要原因. 关键词:Al-B中间合金；晶粒细化；共晶反应 中图分类号:TG 146.2 文献标识码:A Grain refining mechanism of Al-B master alloy on Al alloys WANG Fang, WANG......
scanning calorimetry. It is found that phosphorus master alloys combined with boron master alloys have good modification effect on primary silicon but no evident modification effect on eutectic silicon...Effects of individual and combined additions of phosphorus,boron and cerium on primary and eutectic silicon in an Al-30Si alloyDAI Hongshanga and LIU Xiangfaa, b a Key Laboratory for Liquid-Solid......
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