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Trans. Nonferrous Met. Soc. China 26(2016) 2276-2282 Grain structure effect on quench sensitivity of Al-Zn-Mg-Cu-Cr alloy Cheng-bo LI1,2,3, Su-qi HAN1,2,4, Sheng-dan LIU1,2,4, Yun-lai DENG1,2,4, Xin... on quench sensitivity of an Al-Zn-Mg-Cu-Cr alloy was investigated by hardness testing, optical microscopy, X-ray diffraction, scanning electron microscopy, transmission electron microscopy and scanning......
:A Structures refinement of Al-Zn-Mg-Cu-Cr alloy thick plates LIN Gao-yong, YANG Wei, SUN Li-ping, PENG Da-shu (The Key Laboratory of Nonferrous Metals Materials Science and Engineering, Ministry... refining of Al-Zn-Mg-Cu-Cr alloy thick plates. The structures evolution laws and the mechanism of grain refining with the above ITMT were studied by means of OM, EDS and TEM. Then the qualifications......
STUDY ON THE HOT DEFORMATION BEHAVIORS OF Al-Zn-Mg-Cu-Cr ALUMINUM ALLOY G.Y. Lin1,H. Zhang1,Z.F. Zhang1,J. Zhou1,D.S. Peng1 (1.School of Materials Science and Engineering, Central South University, Changsha 410083, China) Abstract:The hot deformation behaviors and mierostructures of Al-Zn-Mg-Cu-Cr aluminum alloy have been studied using thermal simulation test, optical microscopy......
and Engineering,Central South University,Changsha 410083,China) Abstract:The mechanical behavior and microstructures of an Al-Zn-Mg-Cu-Cr aluminum alloy during multi-stage hot deformation were... precipitated from the matrix at high temperature. Key words:Al-Zn-Mg-Cu-Cr alloy; Multi-stage compression; Flow stress and peak stress; Micro-structure evolution; [全文内容正在添加中] ......
淬火速率对Al-Zn-Mg-Cu-Cr合金挤压棒材组织及硬度的影响韩素琦1,2,3,刘胜胆1,2,3,李承波1,2,3,雷越1,2,3,邓运来1,2,3,张新明1,2,31. 中南大学材料科学与工程学院2. 中南大学有色金属材料与工程教育部重点实验室3. 中南大学有色金属先进结构材料与制造协同创新中心摘 要:通过硬度测试,扫描电镜,透射电镜研究淬火速率对Al-Zn-Mg-Cu-Cr合金挤压棒材组织及硬度的影响.结果表明:淬火速率低于100℃/s时,硬度开始明显下降;2℃/s淬火时,硬度下降了43%.淬火速率低于100℃/s时,随着淬火速率降低,冷却过程中(亚)晶界及晶内弥散粒子处非均匀形核析出η平衡相的数量和尺寸明显增加,时效强化效果明显降低.相同淬火速率时,晶内η平衡相尺寸大于晶界η平衡相尺寸.在所......
The Strengthening of Cu-15Ni-8Sn Alloy WANG Ming-Pu1,WANG Yan-hui1,HONG Bin1 (1.School of Material Science and Engineering, Central South University, Changsha China) 摘要:The microstructure, property and relation between them of Cu-15Ni-8Sn alloy are studied by means of TEM and the measurement of hardness. The results show that γ '' metastable phase strengthens alloy because of its ordering......
The Technological Improvements of Aluminum Alloy Coloring by Electrolysis LI Nai-jun1 (1.Teachers College, Shenyang University, Shenyang 110015, P. R. China) 摘要:The technological process of coloring golden-tawny on aluminum alloy by electrolysis was improved in this paper. The optimum composition of electrolyte was found, the conditions of deposition and anodic oxidation by electrolysis were......
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......
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;......
)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......