谢锡善, 徐志超, 朱金元, 林振通. 一种铁基高温合金的周期蠕变[J]. 工程科学学报, 1985, 7(4): 36-42. DOI: 10.13374/j.issn1001-053x.1985.04.005
引用本文: 谢锡善, 徐志超, 朱金元, 林振通. 一种铁基高温合金的周期蠕变[J]. 工程科学学报, 1985, 7(4): 36-42. DOI: 10.13374/j.issn1001-053x.1985.04.005
shu
Xie Xishan, Xu Zhichao, Zhu Jinyuan, Lin Zhentong. CYCLIC CREEP STUDY ON AN IRON-BASE SUPERALLOY[J]. Chinese Journal of Engineering, 1985, 7(4): 36-42. DOI: 10.13374/j.issn1001-053x.1985.04.005
Citation: Xie Xishan, Xu Zhichao, Zhu Jinyuan, Lin Zhentong. CYCLIC CREEP STUDY ON AN IRON-BASE SUPERALLOY[J]. Chinese Journal of Engineering, 1985, 7(4): 36-42. DOI: 10.13374/j.issn1001-053x.1985.04.005
shu

一种铁基高温合金的周期蠕变

CYCLIC CREEP STUDY ON AN IRON-BASE SUPERALLOY

    摘要
  • 摘要: 对GH132合金的周期蠕变研究指出,该合金在周期蠕变条件下其变形规律是复杂的,除了弹性应变,塑性应变外,还有滞弹性应变。这种变形规律的特征随周期应力卸载条件下最小应力的大小而变化。在高的最小应力条件下,可以表现为合金以不同的应变速率分别在高、低应力下交替地进行。

     

    Abstract: Cyclic creep tests were conducted in an iron-base superalloy GH132 at 650℃ and constant maximum stress （46kg/mm2） with different minimum stresses（10,23 and 43kg/mm2）. Deformation at cyclic creep is complicated. Beside elastic and plastic deformation, an elastic deformation occurs at cyclic creep. Deformation behaviour at cyclic creep depends on stress amplitudes and minimum stresses.

     

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