3%Ni-Mo-V鋼の高温性質に及ぼす硫化物の影響

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タイトル別名
  • Effects of Sulfides on the High Temperature Properties of 3%Ni-Mo-V Steel
  • 3 Ni-Mo-V コウ ノ コウオン セイシツ ニ オヨボス リュウカブツ ノ エイキョウ

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抄録

The effects of sulfides on the high temperature strength of the twelve 3%Ni-Mo-V steels having four different sulfur contents and subjected to forging at three different rates were studied. The test results were as follows: (1) The creep-rupture strength (plain specimen) at 500°C was not affected by sulfides, but the steels which contain 0.048 and 0.090%S ruptured showing low ductility. (2) Sulfides have the similar effect on the strength against the cyclic thermal stress as on the tensile ductility, and the crack depth observed by the author’s cyclic thermal stressing method has the following relation to the fracture ductility,<BR>(This article is not displayable. Please see full text pdf.) <BR>where hmax: maximum crack depth measured after 1000 cycles (mm), εf: fracture ductility.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 25 (12), 766-769, 1961

    公益社団法人 日本金属学会

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