Effect of Al on High-Temperature Oxidation of Cr–W Alloys
Effect of Al on High-Temperature Oxidation of Cr–W Alloys
复制标题
Al对Cr-W合金高温氧化的影响
DOI：
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发表时间：
2008
期刊：
影响因子：
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通讯作者：
Ö. Doğan
中科院分区：
文献类型：
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作者：
Ö. Doğan
通过1000℃干燥空气循环氧化试验，研究了Al对cr - 10wt .%W合金高温氧化行为的影响。首先，将Al作为合金元素添加到Cr-W合金中，重量达到8%。虽然用Al合金减少了剥落，但并没有消除剥落。其次，采用渗铝工艺在表面镀铝。在Cr-W合金表面形成Al-Cr层，显著降低了氧化速率，完全消除了剥落现象。
The effect of Al on the high temperature oxidation behavior of Cr–10 wt.%W alloy was investigated using a cyclical oxidation test at 1,000 °C in dry air. First, Al was added into the Cr–W alloy as an alloying element up to 8 weight percent. Although alloying with Al reduced the spalling, it did not eliminate it. Secondly, Al was applied to the surface using an aluminizing process. Forming an Al–Cr layer on the Cr–W alloy reduced oxidation rate significantly and eliminated spalling completely.