1) rail web cracking
轨腰水平脆断
1.
Residual stresses in the rail web of high strength rails from several foreign countries were measured by the saw cut method, and the effect of residual stress on rail web cracking was discussed.
通过采用锯切口法测定了几种进口高强度钢轨轨腰残余应力,阐述了残余应力对轨腰水平脆断的影响。
3) horizontal guide rail
水平导轨
4) rail-web
钢轨轨腰
1.
Experimental study on the horizontal crack in rail-web by fatigue precracking on MTS TestStar four column load frame fatigue machine is introduced.
对应具体的轨型,设计并加工了用于疲劳预制钢轨轨腰水平裂纹的夹具。
5) 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。
6) 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。
补充资料:腰骨损断
腰骨损断 腰骨损断 病名。指腰椎因外伤而伤折者。见《外科证治准绳》卷六。腰骨即指腰椎。常因跌打、坠撞所伤。症见患处局部肿胀、疼痛,折伤处有明显压痛,畸形,腰部功能活动受限,甚至坐、立、行步等活动亦受影响,严重者如损及脊髓,可出现下肢麻痹及截瘫。证治可参见背脊骨折条。
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