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美国一家公司研究出一种改善钛合金抗氧化性能的新方法 ,就是在钛合金基体上加一种均匀的铜合金涂层。涂层所用的铜合金可从以下三种组成中选取一种 :1 .铜 + 7%铝 ;2 .铜 +4 .5 %铝 ;3.铜 + 5 .5 %铝 + 3%硅。涂层是在基体温度低于 6 1 9℃的条件下进行涂覆的 ,在施加涂层时应
A company in the United States has developed a new method of improving the oxidation resistance of titanium alloys by applying a uniform coating of a copper alloy on a titanium alloy substrate. The copper alloy used for the coating can be selected from the following three compositions: 1. copper + 7% aluminum; 2. copper + 4.5% aluminum; 3. copper + 5.5% aluminum + 3% silicon. The coating is applied at a substrate temperature below 61 9 ° C,