您要查找的是不是：
- cold heading cracking 冷镦开裂
- These inclusions resulted in cracking of the cold forging steel during the cold heading process. 通过理化检测,对铆螺钢在冷镦时出现开裂的原因进行了分析。
- The main process in manufacturing outer-hexagonal boltsis cold heading. 生产外六角螺钉的主要工艺是冷镦。
- Cold heads will bring us through the crisis. 冷静会使我们度过危机。
- The results show that the main reason of upset head cracking is such defaults as surface decarboning,blocky carbides and longitudinal inclusions. 结果表明,镦头内部存在表面脱碳、块状碳化物和纵向夹杂物等缺陷是导致PC钢棒镦头开裂的主要原因。
- The regenerator is a key part of the cold head of Stirling refrigerator. 回热器是斯特林制冷机冷头的重要组成部分。
- Study On Head Crack of Fasteners in Cold Forming 精密螺丝冷锻中的头部裂纹研究
- Cold heading steel SWRCH15A is a peritectic steel developed by WISCO in recent years. 冷镦钢SWRCH15A是近年武钢开发的包晶系列钢新钢种。
- Describe the content modification of national standard for cold heading and cold extruding. 简述了冷镦和冷挤压用钢国家标准的修订内容。
- Describe some questions of the national standard modification statement of steel for cold heading and cold extruding. 简述了冷镦和冷挤压用钢国家标准修订说明中的一点儿问题。
- Abstract The main reason of heading crack for BOF producing bearing steel is analyzed.The result shows that the high hydrogen content and gas generated by it lead to surface pinholes in steel. 摘要 分析了造成转炉生产轴承钢顶锻不合格的主要原因，指出了钢中氢高且生成气体而导致表面针孔。
- In order to lower the flow stress in the cold heading process,the Bauschinger effect of microalloyed steel MFT8 for cold heading bolt was studied. 为了降低冷作强化非调质钢冷镦变形的变形抗力,研究了冷作强化非调质钢MFT8在冷变形过程中的鲍辛格效应。
- The paper introduces the new-developmental specific implement for cold heading test of thin steel wire and its using way. 介绍新研制的小直径金属丝顶锻试验专用器具及使用方法。
- The technological process of the Al killed cold heading steel SWRCH18A in the No.2 steelmaking plant of Xianggang was introduced. 以SWRCH18A钢为例介绍了湘钢二炼钢厂含铝冷镦钢的生产工艺。
- The cold head steel bar which is composed of ferrite, pearlite and granular bainite was produced by controlled rolling and cooling. 摘要铆螺钢经棒材轧机控轧控冷轧成棒材，获得具有铁素体、珠光体和粒状贝氏体的混合组织，冷镦成螺栓后进行产品检验。
- Cooling system is essential in ensuring the high performance of superconductive MRI,and the cold head is the important component of cooling system. 冷却系统是超导型磁共振正常运行的重要保障,而冷头是磁共振冷却系统的重要组件。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Plus, our carbon dioxide shielded wire, cold heading steel wire, special-shaped steel wire and bearing steel wire have been highly praised by many large enterprises. 二氧化碳气体保护焊丝，冷顶锻用钢丝，异型钢丝，轴承钢丝等产品受到众多大型企业的青睐和推崇。
- Abstract In order to lower the flow stress in the cold heading process, the Bauschinger effect of microalloyed steel MFT8 for cold heading bolt was studied. 摘要 为了降低冷作强化非调质钢冷镦变形的变形抗力，研究了冷作强化非调质钢MFT8在冷变形过程中的鲍辛格效应。
