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1)  creep crack parclmeter C*
蠕变断裂参量C*
2)  creep fracture parameter
蠕变断裂参数
3)  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。
4)  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 。
5)  creep rupture
蠕变破坏,蠕变断裂
6)  Fracture criterion
断裂参量
1.
Engineering assessment of fracture criterion of welded joints based on stress - triaxiality;
基于应力三轴性的焊接接头断裂参量工程估算
2.
The modified J-integral fracture parameter was evaluated experimentally by CCP specimens with welding residual stresses, results showed that the evaluated notch(or crack)initiation loads based on the fracture criterion,was close to the determined values.
用带焊接残余应力的焊接试板对文题进行了研究,结果表明:用修正J积分作为断裂参量建立的断裂准则,测得的缺口和裂纹断裂预测值与实验实测值非常接近,其误差在10%之内。
补充资料:蠕变断裂试验
分子式:
CAS号:

性质:测定材料蠕变断裂时间与负荷关系的一组试验。具体操作是选用一足够大的负荷使试样在数分钟内断裂。再选用一足够小的负荷使试样在相当长的时间后断裂。然后在这两负荷之间进行一系列的负荷试验。

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