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金属学报  1983, Vol. 19 Issue (2): 73-78    
  论文 本期目录 | 过刊浏览 |
铸镁合金断裂韧性研究
王昶;高大兴;胡逾
华中工学院;华中工学院;华中工学院
FRACTURE TOUGHNESS OF A CAST Mg ALLOY ZM5
WANG Chang; GAO Daxing; HU Yu (Huazhong University of Science and Technology; Wuhan)
引用本文:

王昶;高大兴;胡逾. 铸镁合金断裂韧性研究[J]. 金属学报, 1983, 19(2): 73-78.
, , . FRACTURE TOUGHNESS OF A CAST Mg ALLOY ZM5[J]. Acta Metall Sin, 1983, 19(2): 73-78.

全文: PDF(1327 KB)  
摘要: 本文按ASTM E399-78规定,用不同厚度(B=20—120mm)的紧凑拉伸试件来测试铸镁合金ZM5的断裂韧性值。从实验结果出发,建议将铸镁合金的P_(max)/P_Q由≤1.1放宽至≤1.6。
Abstract:Fracture toughness was determined for various thickness, B=20—120mm, of compact tension specimens of a cast Mg alloy ZM5 according to ASTM E399—78. A proposal could be thus made to the relaxation of P_(max)/P_Q from≤1.1 to ≤1.6 for this alloy.
收稿日期: 1983-02-18     
1 Standard of Test for Plane Strain Fracture Toughness of Materials, ASTM E 399-78, 1978.
2 YB 947-78,金属材料平面应变断裂韧性K_(Ie)试验方法.
3 中山大学物理系断裂韧性组,未发表资料.
4 冯师颜,误差理论与实验数据处理,科学出版社,1964,p.21,56.
5 刘文挺,固体力学学报,1(1981) ,92.
6 北京钢铁研究院金属物理室,工程断裂力学,上册,国防工业出版社,1977,p.394.Y
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