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Effect of hot plastic deformation on microstructure and mechanical property of Mg-Mn-Ce magnesium alloy JIAN Wei-wei(简炜炜), KANG Zhi-xin(康志新), LI Yuan-yuan(李元元) School of Mechanical Engineering.... The mechanism of microstructural evolution and the relationship between microstructure and mechanical property of Mg-Mn-Ce magnesium alloy processed by this solid die were also analyzed. Key words......
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metallurgy; phase transformation; bi-modal microstructure; mechanical property 1 Introduction The ferritic steels are considered potential candidates for elevated temperature applications in fusion.... The phase transformation of αbcc→γfcc→α?bcc has been proved. 2) It is shown that the room temperature mechanical property of the bi-modal microstructure is much better than homogeneous ferrite structure......
of welded joints with adhesive layer addition. Key words: laser welding; steel/aluminum dissimilar metal; adhesive layer; microstructure; mechanical property 汽车轻量化成为21世纪汽车技术的前沿和热点,高的比强度钢,铝合金等轻质材料的大量使用对于整车的轻量化...-hu, DONG Jian-xin, ZHANG Mai-cang, ZENG Yan-ping, ZHAO Jing-chen. Effect of the microstructure of fine grain K4169 casting alloy on mechanical property[J]. Ordnance Material Science and Engineering......
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with (0001) basal plane parallel to the rolling surface. The mechanical property tests show that the activity of <> twinning during compression exerts significant effect on the tensile-compressive... magnesium alloys; texture; mechanical property 镁合金具有低密度,高强度,易回收等优点,近年来作为轻质结构材料被......
. Key words: 7B04 alloy; pre-stretched thick plate; one-step ageing; microstructure; mechanical property 超高强铝合金预拉伸厚板是以航空航天用材为背景研制并发展起来的一类铝合金材料, 长期以来被广泛用于各种飞机机身, 机翼梁, 机舱壁板和火箭中高强度结构零件等的制造, 是世界......
property Al-Li系合金具有低密度,高比强度和高比刚度等优良特性,用其取代常规的铝合金,可使构件质量减小10%~15%,刚度提高15%~20%,被认为是21世纪航空航天工业最理想的轻质高强结构材料[1].但Al-Li合金的塑性差,断裂韧性低,尤其是短横向强度较低,限制了其发展与应用.Sc既是稀土元素,又是3d型过渡族金属,在铝合金中兼具两者的作用.将Sc加到Al-Li合金中不仅能改善合金铸锭组织和抑......
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temperature; mechanical property  ... is also a kind of brittle phase. As the X80 steel bearing kinetic is loaded at low temperature, impact cracks is easy to initiate in blocky M/A constituent, propagate rapidly along the weakness......