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mechanisms in the Mg-RE alloys. In order to understand the formation of precipitates during aging at 225 oC in a Mg-10Gd-3Y-0.4Zr alloy(GW103K) with high strength and heat resistance, a high-resolution... as: single layer D019 structure, one single layer D019 structure and one layer of Mg, two parallel single layers(containing RE) and Mg layer in between, which was regarded as ordered segregation of RE......
and their development are reviewed. Mg-Al, Mg-Zn, Mg-RE, Mg-Th, Mg-Ag system alloys, rapid solidification magnesium alloy and magnesium-based composite in heat resistance are introduced. It suggested that Mg-RE...文章编号: 1004-0609(2004)09-1443-08 耐热镁合金及其研究进展 张新明, 彭卓凯, 陈健美, 邓运来 (中南大学 材料科学与工程学院, 长沙 410083) 摘 要: 综述了耐热镁合金及其研究进展. 介绍了Mg-Al, Mg-Zn, Mg-RE, Mg-Th, Mg-Ag合金系及镁基复合材料, 快速凝固镁合金在耐热性能方面的发展; 认为Mg-RE系合金由于其优良......
-hui. Manufacture and application of new type Re-Mg alloy [J]. Si Chuan Journal of Rare-earth, 2003(2): 14-18. (in Chinese) [3] LI De-hui, DONG Jie, ZENG Xiao-qin, LU Chen, DING Wen-jiang. Research..., the ultimate tensile strength is 456.8 MPa, yield strength is 348.9 MPa, and elongation is 3.8%. Keywords: Mg-Gd-Y alloy; hot rolling; precipitation; heat treatment; mechanical properties  ......
and the amount does not decrease obviously. Key words: Mg-Y-Gd-Zn alloy; long-period stacking order; heat treatment 1 Introduction Mg-base alloys with rare-earth elements are becoming more and more... WE54 and QE22[3-5]. On the other hand, the addition of Zn or Cu can further improve the strengthening response of Mg-RE alloys. Mg97Zn1Y2 (molar fraction, %) was developed using rapidly solidified......
Microstructure and Performances of Nanocrystalline Zinc-nickel Alloy Coatings LI Guang-yu1,NIU Li-yuan1,JIANG Zhong-hao1,LIAN Jian-she1 (1.The Key Lab of Automobile Materials, Ministry of Education, China, College of Materials Science and Engineering, Jilin University, Nanling Campus, Changchun, 130025, China) 摘要:Nanocrystalline zinc-nickel alloy coatings were deposited from an alkaline......
behavior and mechanical properties were investigated. The results show that the as-cast alloy mainly contains α-Mg solid solution and compounds of Mg5RE and Mg24RE5 (RE=Gd, Y and Nd) phases. The grain... heat resistant magnesium alloys, including WE54 alloy. Wrought Mg-RE alloys including extrusions, forgings and rolled sheets have been developed by thermo-mechanical processing such as hot extrusion......
Alloy 20不锈钢薄板等离子弧焊接工艺研究赵斌,王宾宾,王小华中国船舶重工集团公司第七二五研究所摘 要:对Alloy 20不锈钢薄板进行了等离子弧焊接工艺试验研究.结果表明,采用等离子弧焊接方法,ERCr Ni Mo-3焊材及合理的焊接工艺参数,等离子弧焊接工艺可用于Alloy 20不锈钢薄板的焊接,焊接接头各项性能均能满足要求.关键词:Alloy 20;不锈钢薄板;等离子弧焊接;......
at 190 and 225 ?C From Fig.2, we can conclude that when the alloy is aged at 225 ℃ for less than 1 h, the hardness increase is due to the precipitation of β″ phase as commonly observed in Mg-RE (RE: Gd... Fracture behavior of high strength Mg-Gd-Y-Zr magnesium alloy GAO Lei(高 磊)1 ,2, CHEN Rong-shi(陈荣石)1, HAN En-hou(韩恩厚)1 1. State Key Laboratory for Corrosion and Protection, Institute of Metal......
)Abstract:Stainless die with micro-groove and micro-hole have been designed and manufactured, which has been used to study superplastic microforming of 2091Al-Li alloy by means of superplastic forming... micro-rib specimen, behavior of material could be understood well.Key words:superplasticity; microforming; extrusion; 2091Al-Li alloy......
Characterization of anodic coating formed on Mg-3Nd-0.2Zn-0.4Zr Mg alloy in alkaline electrolyte CHANG Jian-wei(常建卫)1, 2, GUO Xing-wu(郭兴伍)1, PENG Li-ming(彭立明)1, DING Wen-jiang(丁文...; Abstract: Anodization of rare earth-containing Mg alloy......