Constitutive law of creep deformation for notched specimens of heat-resistant materials related to the creep ductility and fracture life

Sugiura R.; Yokobori Jr. A.T.; Park J.; Kawamura T.; Tsukidate H.

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Constitutive law of creep deformation for notched specimens of heat-resistant materials related to the creep ductility and fracture life

机译：耐热材料缺口试样蠕变变形的本构关系与蠕变延性和断裂寿命的关系

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A prediction method of creep fracture and remnant life for cracked specimens was proposed taking account for the load line displacement rate and relative notch opening displacement rate by some of present authors. In this study, using the proposed master curve of creep deformation based on the similarity law of creep deformation plotted against the normalized time of stress application, it has been attempted to characterize the creep deformation and creep ductility throughout from creep-ductile to creep-brittle materials, such as ferritic, austenitic, Ni base and intermetallics materials.

机译：考虑到一些载荷线位移率和相对缺口开度位移率，提出了一种裂纹试样蠕变断裂和剩余寿命的预测方法。在这项研究中，使用拟议的蠕变变形主曲线，该曲线基于蠕变变形的相似性规律相对于应力施加的标准化时间绘制，试图表征从蠕变韧性到蠕变脆性的整个蠕变变形和蠕变延性材料，例如铁素体，奥氏体，Ni基和金属间化合物材料。

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《Strength, fracture and complexity: an international journal》 |2013年第1期|共13页
作者
Sugiura R.; Yokobori Jr. A.T.; Park J.; Kawamura T.; Tsukidate H.;
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正文语种 eng
中图分类 53;
关键词
creep deformation; creep ductility; Master curve; similarity law;

机译：蠕变变形;蠕变延性;主曲线;相似律;

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1. Constitutive law of creep deformation for notched specimens of heat-resistant materials related to the creep ductility and fracture life [J] . Sugiura R., Yokobori Jr. A.T., Park J., Strength, fracture and complexity: an international journal . 2013,第1期

机译：耐热材料缺口试样蠕变变形的本构关系与蠕变延性和断裂寿命的关系
2. THE MASTER CURVE AND THE CONSTITUTIVE EQUATION FOR CREEP DEFORMATION AND FRACTURE FOR CR-MO-V STEEL THROUGHOUT SMOOTH, NOTCHED AND PRECRACKED SPECIMENS [J] . Yokobori AT., Tabuchi M., Yokobori T. Journal of Materials Science . 1996,第18期

机译：CR-MO-V钢在光滑，开槽和预裂纹的试样中的蠕变的主曲线和本构方程
3. The prediction method of remnant life of creep fracture coupled with QL* parameter and micro erosion method for notched specimens of Ni-base super alloys (vol 34, pg 434, 2017) [J] . Yokobori Toshimitsu A. Jr., Ando A., Ozeki G., Materials at High Temperatures . 2018,第6期

机译：蠕变骨折的预测方法与QL *参数和微腐蚀方法耦合，镍基超合金缺口标本（Vol 34，PG 434,2017）
4. DEFORMATION AND FRACTURE OF LONG TERM CREEP OF NOTCHED SPECIMEN OF A SINGLE CRYSTAL NICKEL BASE SUPER ALLOY [C] . Ying Li, Ming Zhang, Bin Zong, International Conference on Fracture . 2017

机译：单晶镍基超合金缺口样标量的长期蠕变的变形与裂缝
5. MECHANISMS OF CREEP FRACTURE AND PREDICTION OF CREEP DUCTILITY (CAVITATION, CRACK GROWTH). [D] . WANG, JIAN-SHENG. 1985

机译：蠕变断裂机理和蠕变延展性预测（空化，裂纹扩展）。
6. Data-based selection of creep constitutive models for high-Cr heat-resistant steel [O] . Hitoshi Izuno, Masahiko Demura, Masaaki Tabuchi, 2020

机译：基于数据的高Cr耐热钢蠕变本构模型的选择
7. Material Failure Modes, Part I A Brief Tutorial on Fracture, Ductile Failure, Elastic Deformation, Creep, and Fatigue [O] . Benjamin D. Craig 2013

机译：材料破坏模式，第一部分断裂，延性破坏，弹性变形，蠕变和疲劳的简要教程

Constitutive law of creep deformation for notched specimens of heat-resistant materials related to the creep ductility and fracture life

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