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tension,CT)试验中出现宏观开裂角过大、试验成功率偏低、断裂韧性不达标的问题,基于CT试验结果,提出了改进工艺对坯料进行锻造,并与传统制坯方法进行对比分析.结果显示,改进工艺降低了7050高强铝合金的各向异性,提高了其断裂韧性水平以及CT试验成功率;同时发现,造成CT试验成功率低的因素包括材料各向异性和试样预制裂纹长度两个方面,降低各向异性和适度提高预制裂纹长度,可有效降低试样宏观开裂角,并给出了参考的预制裂纹长度的范围.","authors":[{"authorName":"李江","id":"5af76403-3ee1-4869-ae43-d0b909b60889","originalAuthorName":"李江"},{"authorName":"李付国","id":"86c1b78f-68bf-4d87-9b8b-634c3723047a","originalAuthorName":"李付国"},{"authorName":"薛凤梅","id":"e94f5862-6341-43d2-87cb-17c8fcb00738","originalAuthorName":"薛凤梅"},{"authorName":"彭富华","id":"4e928c97-f954-4786-bcb2-3c24e258c6de","originalAuthorName":"彭富华"},{"authorName":"袁战伟","id":"d824272a-7af6-405b-bbc3-1dd258854e90","originalAuthorName":"袁战伟"}],"doi":"","fpage":"1921","id":"b668d58b-0ab9-440b-b83a-679b3ffa2b6b","issue":"9","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"00a93a71-2418-44fc-82d5-8bfcefd2f65b","keyword":"7050高强铝合金","originalKeyword":"7050高强铝合金"},{"id":"834a1440-bc9f-4df0-a29c-b332838dfc21","keyword":"断裂韧性","originalKeyword":"断裂韧性"},{"id":"e8db7d71-f0f8-4807-8a74-ad53a86e2bf4","keyword":"宏观开裂角","originalKeyword":"宏观开裂角"},{"id":"fca02fac-19be-4f41-b80f-66cece2373a3","keyword":"改进工艺","originalKeyword":"改进工艺"}],"language":"zh","publisherId":"xyjsclygc201309032","title":"7050高强铝合金断裂韧性及其影响因素研究","volume":"42","year":"2013"},{"abstractinfo":"介绍了水玻璃镀锌改进工艺,不需添加任何有机添加剂.测量了镀液的极化曲线,讨论了工艺机理,该工艺具有在温度低于-2℃下镀液仍不析出的优点.","authors":[{"authorName":"张宏","id":"39797f29-6673-495e-967d-bcf8f3e1ac96","originalAuthorName":"张宏"}],"doi":"10.3969/j.issn.1004-227X.2001.05.008","fpage":"28","id":"76b6dcb8-dd45-48f7-a43c-3079a399d27a","issue":"5","journal":{"abbrevTitle":"DDYTS","coverImgSrc":"journal/img/cover/DDYTS.jpg","id":"21","issnPpub":"1004-227X","publisherId":"DDYTS","title":"电镀与涂饰 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