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baiming007ll铜虫 (初入文坛)
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Profitable influence of phosphorus on iron alloy surface layer proprieties was not examined sufficiently and applied in practice w1–3x. That is why phosphorus decreases steel ductility, which did not encourage an attempt to use this element as an alloying steel constituent. However, it was observed that presence of phosphorus in the iron alloy surface layer increases its hardness and friction wear resistance. It is a result of solid solutions hardening, precipitation processes and creation of phosphide layers of considerable hardness on iron on iron alloy surface |
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clearsky7228
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zap65535(金币+6,VIP+0): 1-12 02:13
zap65535(金币+6,VIP+0): 1-12 02:13
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Profitable influence of phosphorus on iron alloy surface layer proprieties was not examined sufficiently and applied in practice w1–3x. That is why phosphorus decreases steel ductility, which did not encourage an attempt to use this element as an alloying steel constituent. However, it was observed that presence of phosphorus in the iron alloy surface layer increases its hardness and friction wear resistance. It is a result of solid solutions hardening, precipitation processes and creation of phosphide layers of considerable hardness on iron on iron alloy surface 我们不能把磷对铁合金表面层性能的附加影响完全的检测出来并且在实际 w1–3x中应用。那是因为磷降低了钢的延展性，这就不鼓励用用这种元素作为合金钢的组分。但是，铁合金表面层中的磷提高了合金的硬度和摩擦疲劳抗性。这是固溶硬化、快冷工艺和在铁合金表面产生了很硬的磷化物层共同作用的结果。 盈利的影响对铁磷合金表面层礼节不充分和检查在实践中应用韩元，3倍。这就是为什么磷钢材延性降低，这不鼓励一试图用一种合金钢材组成这个元素。然而，有人认为存在的磷增加铁及其合金表面层硬度和摩擦磨损性能。这是一个结果固溶淬火，降水过程和创造相当大的磷化层的硬度关于铁合金表面铁 |
2楼2010-01-06 12:10:46
clearsky7228
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3楼2010-01-06 12:11:14