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Miedema model and a geometrical model was used to study the glass forming abilities(GFA) and the amorphous forming ranges of Al-Fe-Nd-Zr system and its constituent ternary systems.The amorphous forming...Amorphous forming ranges of Al-Fe-Nd-Zr system predicted by Miedema and geometrical models张雷1,陈红梅2,欧阳义芳2,杜勇31. Department of Mathematics and Computer,Guangxi College of Education2. College......
Miedema model and a geometrical model was used to study the glass forming abilities(GFA) and the amorphous forming ranges of Al-Fe-Nd-Zr system and its constituent ternary systems.The amorphous forming...Amorphous forming ranges of Al-Fe-Nd-Zr system predicted by Miedema and geometrical models张雷1,陈红梅2,欧阳义芳2,杜勇31. Department of Mathematics and Computer,Guangxi College of Education2. College......
Large-sized CuZr-based Bulk Metallic Glass Composite with Enhanced Mechanical PropertiesJunfeng Ding1,Zengqian Liu1,2,Hui Wang1,Tao Zhang11. Key Laboratory of Aerospace Materials and Performance...:A large-sized CuZr-based bulk metallic glass(BMG) composite with enhanced mechanical properties is prepared successfully. With the addition of Ta to CuZr-based......
2000 MPa), lower cost and high glass-forming ability, offering the potential for wide application of these materials as engineering materials, such as in instruments and bipolar plates... BMG composite with in-situ formed dendrite was prepared. The ternary Cu60Zr30Ti10 BMG was selected as the base alloy because of its high glass forming ability [13]. Nb with a positive mixing enthalpy......
无Ni型锆基块体非晶合金在生物模拟体液中的摩擦磨损性能黄彩云1,谌祺1,柳林1(1.湖北省武汉市华中科技大学材料成形与模具技术国家重点实验室)摘 要:本文采用电弧熔炼/Cu模吸铸法制备尺寸为70 mm×12 mm×1.5 mm的片状无Ni型Zr60Cu19Fe5Al10Ti6块体非晶合金.利用SRV摩擦磨损试验机考察了锆基块体非晶合金在干摩擦,蒸馏水和PBS人工模拟体液润滑下的摩擦磨损性能.利用形貌仪测量了块体非晶合金的磨损体积.利用SEM和EDS分析了块体非晶合金表面磨痕形貌及磨损产物成分.结果表明,在PBS......
kinetics, here we present our findings that bulk metallic glasses are readily formed near intermetallic compounds, far away from the traditional region of glass forming near eutectics. While... as a model system, the phenomenon of two optimum glass forming compositions sandwiching the corresponding intermetallic compounds(Cu51Zr14, Cu10Zr7, CuZr, CuZr2 and Cu8Zr3) is observed consistently......
制备参数设计, 间接挤压铸造工艺设计和缺陷预测. 关键词: 半固态 A356合金; 挤压铸造; 微观组织; 充型能力 中图分类号: TG146.4 文献标识码: A Influences of microstructure characteristics of semi-solid A356 alloy on filling ability TAN Jian-bo1, 2, XING... before pouring, and the indirect squeeze casting method was used to produce the archimedean spiral line sample, accordingly the length of spiral line sample after squeeze forming was used to weigh......
of middle Es1 owns stronger-strong sealing ability. In the late and middle of Ed and the middle of Nm it began forming separately sealing ability for oil-gas reservoirs with lower and middle reserves...:1672-7207(2012)08-3142-07 Sealing oil-gas time and ability effectiveness of mudstone caprocks in middle Es1 in Dagang Oilfield FU Guang, WANG Qi, SHI Ji-jian (College of Earth Science, Northeast......
Theory and application research development of semi-solid forming in China LUO Shou-jing(罗守靖)1, W. C. KEUNG(姜永正)2, KANG Yong-lin(康永林)3 1. School of Materials Science and Engineering, Harbin... recognition, application fields exploiting, developing of billets (slurries) preparation technologies with low cost and special equipments. The prospect of semi-solid forming development path in China......
Effects of Heating Rate on the Process Parameters of Superplastic Forming for Zr55Cu30Al10Ni5杨璠,SHI Tielin,廖广兰State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology摘 要:We investigated the effects of heating rate on the process parameters of superplastic forming for Zr55Cu30Al10Ni5......
