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| FRACTURE TOUGHNESS OF A CAST Mg ALLOY ZM5 |
| WANG Chang; GAO Daxing; HU Yu (Huazhong University of Science and Technology; Wuhan) |
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Cite this article:
WANG Chang; GAO Daxing; HU Yu (Huazhong University of Science and Technology; Wuhan). FRACTURE TOUGHNESS OF A CAST Mg ALLOY ZM5. Acta Metall Sin, 1983, 19(2): 73-78.
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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.
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Received: 18 February 1983
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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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