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Isothermal coarsening of primary particles during rheocasting GUO Hong-min(郭洪民)1, LUO Xue-quan(罗学泉)1, ZHANG Ai-sheng(章爱生)1, YANG Xiang-jie(杨湘杰)2 1. School of Materials Science and Engineering... with increasing holding time at the expense of the particle density. Ostwald repining is most likely the predominant growth mechanism in the AO-treated semi-solid slurry during rheocasting......
Trans. Nonferrous Met. Soc. China 20(2010) s815-s820 Microstructure evolution behavior of AlSi9Cu3 alloy during rheocasting GUO Hong-min(郭洪民), LIU Xu-bo(刘旭波), YANG Xiang-jie(杨湘杰), ZHANG... and analytical approaches were taken to investigate the non-dendritic microstructure formation and evolution of AlSi9Cu3 alloy during rheocasting. The results show that the globular primary α(Al) particles free......
Trans. Nonferrous Met. Soc. China 20(2010) s948-s953 Suitability of lost cores in rheocasting process H. Michels, M. Bünck, A. Bührig-Polaczek Giesserei-Institut RWTH Aachen... while salt and zinc produce good parts comparable to the reference steel core quality. Key words: aluminum; semi-solid; rheocasting; cooling channel; lost core; sand; salt; zinc; plastic 1......
Semi-solid near-net shape rheocasting of heat treatable wrought aluminum alloys U. A. CURLE Materials Science and Manufacturing, Council for Scientific and Industrial Research, Pretoria, South... is successfully demonstrated by semi-solid rheocasting of plates performed on commercial 2024, 6082 and 7075 wrought aluminum alloys. Tensile properties were measured for the above mentioned rheocast......
Trans. Nonferrous Met. Soc. China 20(2010) s832-s836 Semi-solid rheocasting of grain refined aluminum alloy 7075 U. A. CURLE, G. GOVENDER Materials Science and Manufacturing, Council for Scientific and Industrial Research, Pretoria, South Africa Received 13 May 2010; accepted 25 June 2010 Abstract: Near-net shape rheocasting with the Council for Scientific and Industrial......
Microstructural characteristics and mechanical properties of Al-2024 alloy processed via a rheocasting routeBehnam Rahimi1,Hamed Khosravi2,Mohsen Haddad-Sabzevar11. Department of Metallurgy...">This article reports the effects of stirring speed and T6 heat treatment on the microstructure and mechanical properties of Al-2024 alloy synthesized by a rheocasting process.There was a decrease......
RHEOCASTING OF A356 ALLOY BY LOW SUPERHEAT POURING WITH A SHEARING FIELD H.M. Guo1,B. Hu2,X.J. Yang2 (1.Department of Materials Science and Engineering, Nanchang University,Nanchang 330031, China;2.Department of Mechanical and Electronic Engineering, Nanchang University,Nanchang 330031, China) Abstract:A novel semi-solid slurry-making process was developed, which was a controlled nucleation......
Article ID: 1003-6326(2005)02-0389-06 Simulation of cooling channel rheocasting process of A356 aluminum alloy using three-phase volume averaging model T. Wang1, 3, B. Pustal1, M. Abondano1, T... of production is known as low-cost method to produce high quality castings. Characteristic of the rheocasting process is that the globular microstructure is attained in one step process with a direct......
); rheocasting 1 Introduction For many years aluminum parts have been used in several applications such as automotive, electronic, aerospace, and construction fields. These parts are generally... have reported that using semi-solid die casting helps to improve the properties and increase the quality of die casting parts[5-7]. Semi-solid metal forming using the rheocasting route can provide......
of the primary α(Al). Key words: gas induced semi-solid (GISS); microstructure; mechanical properties; semi-solid slurry casting; rheocasting 1 Introduction Semi-solid metal (SSM) processing has... and rheocasting. Thixocasting is a process that starts from a special billet that is carefully reheated to a semi-solid temperature range until the SSM has about 50% liquid fraction and then it is formed......