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High Carbon Alloy Steels with Multiple Types of Ultra-fine Carbides and Their Characteristics QI Yu-hong1,DAI Yu-mei1,LIU Yan-xia1,ZHANG Zhan-ping1,GAO Hong-tao1,MA Yong-qing1 (1.Dalian Maritime University, Dalian, China) 摘要:Under normal forging and annealing conditions, there are different ultra fine carbides (M3C, M23C6, M7C3, M6C and MC) in high carbon alloy steels when alloy composition......
Influencing Factors of Preparation of Al-Mg-Sc Master Alloy Zhang Guifang1,Zhang Zonghua1,Zhang Jun1 (1.Faculty of Land Resource Engineering, Kunming University of Science and Technology, Yunnan... of receives of scandium, and determined the technological conditions which uses the method of hot Al-Mg restoring anhydrous the chloride of scandium to prepare the Al-Mg-Sc master alloy. The best......
and boron on grain refinement of aluminum alloy and its fading behaviors FAN Guang-xin1, WANG Ming-xing1, LIU Zhi-yong1, LIU Zhong-xia1, SONG Tian-fu1, WENG Yong-gang1, ZUO Xiu-rong1, XIE Jing-pei1, 2... and Technology, Luoyang 471003, China) Abstract: The grain refinement effect and fading behaviors of titanium added to commercial pure aluminum by electrolysis and by Al-Ti and Al-Ti-B master alloy......
; 开放科学(资源服务)标识码(OSID) 文章编号:1672-7207(2020)11-2999-08 Net-shape forming and densification mechanism of MIM418 turbine wheel using master alloy method CHEN Xiaowei1, LIU..., Xiangtan University, Xiangtan 411100, China) Abstract: Using master alloy powder and carbonyl Ni powder as raw materials, MIM418 superalloy was prepared through master alloy approach, and near-net shape......
of aluminum coated layer on press forming were analyzed during deep drawing. The results show that aluminum coated boron steel exhibits a high sensitivity on temperature and strain rate. Aluminum coating layer... and quenching take place in one combined process step[1-5]. Boron steel exhibits excellent formability at elevated temperature. It cannot be formed into complex geometry with traditional high strength steel......
Influencing Factors of Preparation of Al-Mg-Sc Master Alloy张军,张宗华,张桂芳摘 要:Through the experiment, the reduced temperature, the containing scandium quantity... restoring anhydrous the chloride of scandium to prepare the Al-Mg-Sc master alloy. The best experimental technological conditions are that the master alloy can contains 8.0% of scandium while the restoring......
colemanite, ulexite, inyoite and hydroboracite because of their high boron contents and little impurity. However, China’s boron resources of boromagnesite and ludwigite ore have a low boron content... from calcined boron mud in molten sodium hydroxide media [22]. The process creates the conditions for high value-added utilization of boron mud. The objective of this work is to assess the effects......
Trans. Nonferrous Met. Soc. China 25(2015) 1804-1810 Grain refining effect of Mg by novel particle cluster-containing Al-Ti-C master alloy Xiao-teng LIU, Hai HAO, Xiao-xu ZHU, Xing-guo ZHANG School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China Received 8 July 2014; accepted 25 March 2015 Abstract: A novel Al-Ti-C master alloy containing Al4C3 and TiC......
: In order to increase the modifying effect, the Cu-P master alloy was rapidly solidified with melt-spin method, and the nano-sized ribbon was gained at 105-106 ℃/s. Subsequently, ZL109 alloy was modified by nanocrystal and massive Cu-P master alloy, respectively, with molten metal casting method. The results show that the microscopic structure of ZL109 alloy modified by nanocrystal Cu-P master......
Grain and dendrite refinement of A356 alloy with Al-Ti-C-RE master alloyHong-Liang Zhao,Jin-Sheng Yue,Ya Gao,Kang-Rong WengCollege of Materials Science and Engineering, Zhengzhou University摘 要:Commercial A356 alloy was refined with a homemade Al-5Ti-0.25C-2RE master alloy, and the microstructure and macrostructure of the refined alloy were investigated......
