<正> 寻求适合在煤的气化环境中长期工作的合金材料得到了人们的重视。这个环境的特点是既有高温氧化作用,又有高温硫化腐蚀。在Ni-Cr合金中加入少量钛能抑制硫化,但不锈钢加入钛后在低氧分压下的氧化速率却有所增高。因此,须进一步探究钛的作用。 本工作研究钛对310和801合金抗高温氧化性能的影响,讨论钛的作用机制。
The high temperature oxidation behaviour of two types of Fe-Cr-Ni alloys has been investigated. The results show that with titanium alloyed, the high temperature oxidation resistance of the alloy wilt decrease,and this tend will be more obvious with increase of titanium content and the oxidation temperature. The addition of titanium to the alloys results in a change of oxide scale structure with increasing quantities of holes in the scale. Meanwhile the internal oxidation along grain boundaries is accelerated,
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