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公开(公告)号:US4693747A
公开(公告)日:1987-09-15
申请号:US799024
申请日:1985-11-18
IPC分类号: H01H33/66 , B22F1/00 , C22C1/04 , C22C21/00 , H01H3/42 , H01H33/666 , H02B13/075 , B22F3/00
CPC分类号: H01H3/42 , B22F1/0003 , C22C1/0416 , H01H33/6661 , H02B13/075
摘要: Disclosed is a metal alloy product having increased resistance to fatigue crack growth and having coarse grains distributed in a fine grain structure, the coarse grains having a different alloy composition from the fine grain structure.
摘要翻译: 公开了一种金属合金制品,具有增加的耐疲劳裂纹生长性,并且具有分布在细晶粒结构中的粗晶粒,粗晶粒与细晶粒结构具有不同的合金组成。
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公开(公告)号:US4689090A
公开(公告)日:1987-08-25
申请号:US841648
申请日:1986-03-20
CPC分类号: C22F1/047 , C22F1/04 , C22F1/053 , Y10S420/902
摘要: Superplastic forming of aluminum work stock is improved by including therein about 0.05% to about 10% or 15% scandium. In preferred practices, soluble elements such as magnesium are also included in the aluminum alloy.
摘要翻译: 通过在其中包括约0.05%至约10%或15%的钪来改善铝制工件的超塑性成形。 在优选的实践中,铝合金中也包括可溶性元素如镁。
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