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中北大学材料科学与工程学院
纸质出版:2009
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李保成, 张星, 张治民. ZK60镁合金热/力模拟分析[J]. 中北大学学报(自然科学版), 2009,30(2):189-191.
李保成, 张星, 张治民. Analysis of Heat/Force Simulation of ZK60 Magnesium Alloy[J]. 2009, 30(2): 189-191.
为研究ZK 60镁合金的热变形行为
对其热/力模拟变形后的试样进行观察
发现变形试样主要有3种:完整型、微破裂型和严重破裂型
产生破裂的试样主要出现在变形温度较低和应变率较高的情况下.比较相应的应力-应变曲线
发现应力值突然下降时的试样表面已开始出现裂纹
即应力-应变曲线形式与变形后试样开裂有关.可见试样的最终形态对分析镁合金的变形曲线有重要影响.
To study hot deformation behavior of ZK60 magnesium
the specimen after heat/force deformation simulation was observed.It was discovered that the distortion of specimens mainly have three kinds: integrity
micro bursting and seriously bursting.Cracking of the deformation sample appears under the conditions of lower temperature and higher strain rate.Compared with corresponding stress-strain curve
the cracking on the surface of specimen appears with the stress value dropping suddenly
namely the form of stress-strain curve is related with specimen cracking.Obviously
the final shape of specimen has the important influence on analyzing the distortion curve of magnesium alloy.
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