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- The conclusions show that the abnormal fracture surfaces of DWTT on X70 line pipe have four types. 结果表明,厚壁X70管线钢DWTT异常断口有4种类型。
- The main causes which lead to tensile abnormal fracture of SWRH82B steel rods are the network cementite sod the big brittle inclusion. 摘要通过对SWRH82B盘条的拉伸断口进行分析,认为网状渗碳体和大颗粒脆性夹杂物等缺陷是引起断口异常的主要原因。
- Based on the study the reason and countermeasures of abnormal fracture during DWTT are put forward. 在综述目前该问题研究现状的基础上,通过研究和分析,提出了对DWTT异常断口的基本看法和处理方法。
- The main causes which lead to tensile abnormal fracture of SWRH82B steel rods are the network cementite and the big brittle inclusion. 通过对SWRH82B盘条的拉伸断口进行分析,认为网状渗碳体和大颗粒脆性夹杂物等缺陷是引起断口异常的主要原因。
- The establishment and application of the DWTT method are reviewed. The abnormal fracture during DWTT of high strength,high toughess pipeline steel for thick wall pipes is also described. 回顾和分析了管线钢DWTT方法的建立过程、应用情况以及在高强度、高韧性、大壁厚管线钢中存在的DWTT异常断口问题。
- In the light of abnormal fracture of DWTT test for high-grade pipe steel,the paper statistically analyzes the DWTT test results for X65,X70 and X80 pipe steel at a systemic temperature and studies their abnormal fracture rules. 针对高钢级管道钢在进行落锤撕裂试验(DWTT)时经常出现异常断口的现象,通过统计分析X65、X70和X80管材系列温度的DWTT试验结果,探讨了异常断口发生规律。
- The establishment and application of the DWTT method are reviewed.The abnormal fracture during DWTT of high strength, high toughess pipeline steel for thick wall pipes is also described. 摘要回顾和分析了管线钢DWTT方法的建立过程、应用情况以及在高强度、高韧性、大壁厚管线钢中存在的DWTT异常断口问题。
- The establishment and application of the DWTT method are reviewed.The abnormal fracture during DWTT of high strength,high toughess pipeline steel for thick wall pipes is also described. 回顾和分析了管线钢DWTT方法的建立过程、应用情况以及在高强度、高韧性、大壁厚管线钢中存在的DWTT异常断口问题。
- Keywords pipeline steel;DWTT;abnormal fracture;brittleness; 管线钢;DWTT;异常断口;脆性;
- Keywords pipeline steel;DWTT;dynamic fracture;abnormal fracture; 管线钢;落锤撕裂试验;动态断裂;异常断口;
- The weather is abnormal this year. 今年的气候不正常。
- An abnormal or pathological respiratory sound. 水泡音,罗音不正常的或由疾病引起的呼吸声
- It's abnormal for the boy to eat so much. 这个孩子吃这么多是不正常的。
- A small, abnormal bony outgrowth. 骨赘,骨刺畸变的骨质小赘疣
- Perhaps there is a fracture in the water pipe. 也许水管有裂缝了。
- An abnormal fear of high places. 恐高症对于高处的一种不正常的恐惧
- The fracture of his left leg is very serious. 他的左腿骨折情况很严重。
- It is abnormal for a man to walk in his sleep. 梦游是不正常的。
- The fracture caused him intense pain. 骨折给他造成了剧烈的疼痛。
- An abnormal amount of snow fell here last week. 上周这里下了异常大的雪。