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1)  delaying c(?)eep fracture
延迟蠕变断裂
2)  retarded creep
延迟蠕变
3)  delayed fracture
延迟断裂
1.
A Study on Delayed Fracture Resistance of Low Carbon Nb-V Microalloying High Strength Cold Heading Boron Steel
低碳Nb-V微合金化高强度冷镦硼钢耐延迟断裂性的研究
2.
In order to analyze and investigate the effect of heat treatment on delayed fracture resistance of 30MnSi PC steel bars FIP test was adopted.
对30MnSi PC钢棒进行了淬火回火处理,分析探讨了热处理工艺对高强度钢耐延迟断裂性能的影响。
3.
The features and mechanism of fracture of steel bar for prestressed concrete(PC bars) are described,and the material defects which induced the delayed fracture in the PC bars are analyzed in the paper.
介绍了PC钢棒延迟断裂的特征及机理,分析了诱发PC钢棒延迟断裂的材料缺陷。
4)  creep rupture
蠕变断裂
1.
The creep rupture properties of a low Re content second-generation directionally solidified superalloy DZ59
低Re含量第二代柱晶高温合金DZ59的蠕变断裂性能
2.
If the creep rupture .
蠕变断裂时间较短时,M23C6碳化物的粗化对性能退化起主要作用,随着时间延长,贝氏体铁素体基体和小岛中的马氏体的回复、再结晶的影响增大。
3.
The interface carbon diffusion,mechanical properties of joints and thermal stress on the interface area have been investigated by means of creep rupture tests,EPMA analysis.
为提高电站锅炉过热器铁素体-奥氏体异种钢焊接接头的高温蠕变断裂强度和延长服役寿命,设计了用专用镍基填充材料焊接的不锈钢-镍基焊缝-耐热钢三元组合接头。
5)  Creep fracture
蠕变断裂
1.
Forecasting of instability zones induced by creep fracture of tunnel rockmass;
巷道岩体蠕变断裂失稳区预测研究
2.
Creep and creep fracture tests for the macro mechanical heterogeneous dissimilar steel welded joints fabricated by flash butt welding with high strength match (B M W H B L),low strength match (B H W L B M) and medium strength match (B L W M B H) were carried out respectively.
分别对闪光对焊制备的高强匹配 (BM-WH-BL)、低强匹配 (BH-WL-BM)和中强匹配 (BL-WM-BH)的宏观力学不均匀异种钢接头进行了蠕变及蠕变断裂试验 ,并用有限元方法分析了不同匹配接头蠕变断裂的力学因素。
3.
Analyses Ⅲ crack creep fracture under the influence of the initial co_linear array of microcracks antiplane using macrocrack_microcrack inteaction model and the theory of stress intensity factors for creep fracture,and presents the relation between the concrete antiplane Ⅲ crack stress intensity factors for creep fracture and the initial stress intensity factors was obtained.
依据宏观裂纹—微裂纹相互作用模型和蠕变断裂应力强度因子理论 ,对具有初始等距共线微裂纹列影响的反平面Ⅲ型裂纹体的蠕变断裂问题进行了分析 。
6)  low stress lingering rupture
低应力延迟断裂
补充资料:蠕变断裂
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CAS号:

性质:又称蠕变破坏。材料在正常的拉伸强度下,由于连续地施加应力所引起的断裂。这是由于该材料的黏弹性行为造成的。它和所受应力的大小、环境温度、内部应变大小、有无应力集中等因素有关。在测定材料蠕变断裂全过程所得时间即为蠕变断裂寿命,是材料蠕变、稳定蠕变和加速蠕变三个阶段。当作用应力足够小时,虽经足够长时间而仍不出现加速蠕变的第三阶段,该值即称作持久强度极限。所有这些参数都是温度的函数。温度升高,蠕变断裂寿命缩短,持久强度极限降低。

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