1) brittle failure analysis
脆断评定
1.
The result of brittle failure analysis shows that equivalent crack size a is smaller than allowable crack size am of side plate and bottom plate.
脆断评定结果表明等效裂纹尺寸a值小于侧板和底板的容许裂纹尺寸am值,这种缺陷可以接受。
2) fracture assessment
断裂评定
1.
Considering BS7910 and taking stress intensity factor K_ IC as fracture assessment index,ball-socket axes with semi-elliptic surface crack and circumferential cra.
依据英国标准BS7910,以应力强度因子KIC作为断裂评定参量,进行含半椭圆表面裂纹和环形表面裂纹的球铰轴断裂性能的评定,得到2种缺陷形式的极限裂纹尺寸,结果表明裂纹深度是影响断裂性能的关键特征尺寸。
2.
As the fracture assessment method based on COD theory is replaced by the method based on J-integral theory,it is greatly required simple and convenient,reliable evaluation method of J-integral.
随着以COD理论为基础的断裂评定方法被以弹塑性J积分理论为基础的断裂评定方法所取代,在工程实际应用中迫切需要简便、可靠的J积分估算方法。
3) fracture evaluation
断裂评定
1.
Based on the codes of CVDA - 84 and SAPV - 95, the fracture evaluation of the processing tower in use was carried out.
根据CVDA -84和SAPV -95规范对在役工艺塔进行了断裂评定 ,该塔符合“合乎使用”原则。
2.
Through the stress analysis, the safety evaluation under the condition that the maximum stress was greater than the yielding stress, the thermal and mechanical fatigue analysis at the welding seam without flaw and the fatigue analysis and fracture evaluation at the location with flaws were carried out.
文章对焦炭塔的检验及存在的缺陷进行了分析和探讨 ,通过全面的应力分析、总应力超过材料屈服应力时的安全定性分析、无缺陷部位焊缝的热机械疲劳分析、缺陷部位的断裂评定及疲劳分析 ,提出了裂纹防治及处理的建
4) brittle fracture
脆断
1.
Cause study and countermeasures for core rod brittle fracture of suspension composite insulators on 220kV Ping-He line;
220kV坪核线复合绝缘子芯棒脆断原因分析及对策
2.
From the view of brittle fracture of aluminum buckles during bending,the cause of formation of brittle fracture was analyzed.
针对某企业工业纯铝扣件制品在弯折过程脆断的问题,考察了生产工艺中各工序的技术条件,分析论证了使其塑性降低的原因,判定氧化着色过程中除油及着色技术条件控制是主要影响因素。
3.
Through analyzing and studying microstructure,chemical composition,fracture appearance,inclusion appearance,surface quality and drawing process of 82B wire rod of brittle fracture during drawing,breaking causes are pointed.
通过对拉拔过程中发生脆断的82B线材的金相组织、化学成分、断口形貌、夹杂物形貌、表面质量及拉拔工艺的分析和研究,指出82B线材在拉拔过程中产生断裂的原因,并提出选择合适的拉拔速度、正确调整轧机状态、采用时效处理、加大斯太尔摩线的冷却速度等改进措施,可提高产品质量。
5) fracture
[英]['fræktʃə(r)] [美]['fræktʃɚ]
脆断
1.
Through the failure analysis of the top die block of the cold extruding die for stainless steel wires, with 7Cr7Mo3V2Si steel and deep cold treatment to stress the match of hardness-malleability and wearability, the early fracture problem of the die was solved and the service life of the die has greatly prolonged.
通过对不锈钢丝冷挤压模上模块的失效分析 ,并改用7Cr7Mo3V2Si模具钢和深冷处理工艺 ,突出了强韧性和耐磨性的匹配 ,解决了该模具的早期脆断问题 ,大幅度提高了不锈钢丝冷挤压模的寿命。
2.
Based on the fracture of loco axle made by EA4T steel,the composition,mechanical property,fracture feature and microstructure of the axle have been investigated;The influence of metallurgical quality on the properties of the axle also have been discussed.
最终认为:车轴在精加工过程的脆断发生前,内部业已存在无损探伤所检测到的裂纹面,它的产生与车轴内局部存在较多的疏松、孔洞和材质标准中所不允许出现的点状偏析有关。
6) brittle failure
脆断
1.
Hard coil rod structural determines hard coil rod's technological functions,set up a claim to the regular,fine and high content sorbite for hard coil rod is used for drawing or draw failure and brittle failure will happen.
索氏体若细化不好或出现其它异常组织 ,就会出现拉拔断或脆断现象。
2.
To analyze brittle failure of 70#,65# series high carbon wire rod during wire drawing.
对于高碳70#、65#系列盘条在拉拔过程中常出现的脆断现象进行分析,指出碳偏析、缩孔、表面横裂、内部气泡是导致盘条在拉拔过程中发生断裂的主要原因。
补充资料：脆断
1.脆而折断。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条