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- This paper based on K60 pipeline steel,by means of DWTT and Charpy impact test,given an analysis on pipeline steel low-temperature fracture toughness. 试验结果表明,随着壁厚的增加,K60级管线钢夏比冲击韧性变化不大,DWTT性能严重下降。
- By changing the nolch local ion of Charpy impact test specimens studied the effect of nolch location on toughness and cracking process in multi-layer welds. 通过改变焊缝夏比冲击试样的缺口取向,研究了缺口位向对多层焊缝金属韧性及断裂过程的影响。
- The validity of method of dynamic fracture toughness measurement by instrumented Charpy impact test is analysed by use of the dynamic fracture test of 945-shipbuilding steel. 借助于船用945钢的动态断裂试验，对利用示波冲击测定材料动态断裂韧性方法的有效性进行了分析。
- It obtains low temperature toughness of China made grade X80 LSAW pipe by Charpy impacting test and DWTT. 通过夏比冲击试验和落锤撕裂试验(DWTT),测得国产X80级直缝埋弧焊接钢管低温韧性。
- keyhole Charpy impact test specimen 钥匙形缺口冲击试样
- Charpy Impact Test on Thin Specimens of Polyethylene Used in Pressurized Pipes 密封管用聚氯乙烯薄试样的却贝冲击试验
- Instrumented charpy impact testing 仪器化夏比冲击
- Standard Test Method for Charpy Impact Test on Thin Specimens of Polyethylene Used in Pressurized Pipes 用于加压管的薄聚乙烯样本摆锤式冲击试验的测试方法
- Study on the Relationship of Impact Values of Different Specimen in Series Charpy Impact Test 大小试样冲击功比值变化规律的研究
- Keywords dynamic fracture toughness;instrumented Charpy impact test;measurement; 动态断裂韧性;示波冲击试验;测试;
- Keywords super steel strip;welding procedure;weld joint;Charpy impact test;low-temperature toughness; 超级钢板;焊接工艺;焊接接头;夏比冲击试验;低温韧性;
- Keywords Ductile-brittle transition temperature;Percentage of brittle fracture;Charpy impact test（v-notch）;Fracture; 韧脆转变温度;脆性断面率;夏比冲击试验;断口;
- Keywords steel pipe;Charpy impact test;sample machining;testing standard;testing method; 钢管;夏比冲击试验;试样加工;试验标准;试验方法;
- Charpy impact test 夏氏冲辉验,单梁式冲辉验,摆锤式冲击试验,却贝冲击试验,查皮式冲击试验,单梁式冲击试验,却贝冲辉验
- Charpy impact test specimen 却贝冲击试样
- Charpy impact test machine [机] 夏比冲击试验机
- Keywords grade X80 steel;LSAW pipe;low temperature toughness;charpy impacting test;DWTT;FATT; X80钢级;直缝埋弧焊接钢管;低温韧性;夏比冲击试验;DWTT;FATT;
- Keywords grain-boundary segregation;temper embrittlement;Charpy impact tests;DBTT;non-equilibrium grain-boundary segregation （NGS） mechanism; 关键词晶界偏聚;回火脆性;示波冲击试验;DBTT;NGS机制;
- All the cars must experience an impact test. 所有小汽车都必须经过碰撞试验。
- The influence of pre-heating temperature on organization and performance of X80 pipeline steel was investigated by weld thermal simulation technique and the instrumented Charpy impact toughness test. 通过焊接热模拟试验和冲击韧性试验,研究了不同预热温度对X80级管线钢组织性能的影响。
