以下为句子列表：
英文: Abstract: In order to improve the corrosion resistance of the pieces formed by plasma spraying with Fe-based alloy powder,the blackening process for this kind of pieces is studied.To counter the distinguishing feature of the pieces in composition and micr
中文: 文摘:针对铁基合金粉末等离子熔射成形制件表面耐腐蚀性差的问题，结合其成分及微观结构的特点，着重研究了该类零件的氧化处理工艺，并讨论了相关问题。
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