A New Stress-Rupture Equation with High Reliability and Confidence

Zhang Shaobo; Fu Huimin

Chinese

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A New Stress-Rupture Equation with High Reliability and Confidence

更新时间：2026-07-07

- A New Stress-Rupture Equation with High Reliability and Confidence
- Vol. 15, Issue 3, (2000)
- 作者机构：
  
  北京航空航天大学固体力学研究所,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2000
- 稿件说明：
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Zhang Shaobo, Fu Huimin. A New Stress-Rupture Equation with High Reliability and Confidence[J]. 2000, 15(3).
DOI：

Zhang Shaobo, Fu Huimin. A New Stress-Rupture Equation with High Reliability and Confidence[J]. 2000, 15(3). DOI：

摘要

高可靠度的蠕变持久方程是高温机械设备设计和寿命评估的重要依据

但是

根据现行方法得出的蠕变持久可靠性方程无法满足预定的置信度和可靠度的要求

导致其预测的蠕变持久强度和使用寿命过大

使高温机械在实际使用中偏于危险。本文发现并纠正了现行方法中的错误

建立了一种新的蠕变持久可靠性方程

根据该方程可以准确地预测高置信度和高可靠度的蠕变持久强度和使用寿命。

Abstract

The stress rupture equation with high reliability is an important basis in the design of the mechanism working in high temperature environment.But the stress rupture equations with high reliability and confidence obtained by using the traditional method can not satisfy the specified reliability and confidence.So the creep rupture strength and creep life predicted is overestimated.Therefore

a new stress rupture equation with high reliability and confidence is derived

which overcomes the shortcomings in the current method.This equation can accurately predicted the creep rupture strength and creep life with high reliability and confidence.

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