研究了合金元素Rb,Au,Mo,W,Zr,Hf对Pt的蠕变激活能的影响:Rh,Zr,Hf提高Pt的蠕变激活能;W,Mo,Au降低Pt的激活能。结合这些合金元素的特性,讨论了Pt合金的蠕变断裂机制。
The influence of certain alloying elements such as Rh, Au, Mo, W, Zr andHf on the activation energy of creep of platinum alloys at high temperatures hasbeen investigated. The presence of Rh, Zr or/and Hf in the alloys might causean increment of their activation energy of creep but W, Mo or/and Au mightdecrease them. Based on the behaviour of these alloying elements, the mechanismof the creep rupture of the platinum alloys has been discussed.
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