• 主题
高级搜索  >
历史搜索 清空历史
首页> 美国卫生研究院文献>Materials >A Study on Microstructure Residual Stresses and Stress Corrosion Cracking of Repair Welding on 304 Stainless Steel: Part II-Effects of Reinforcement Height
【2h】

A Study on Microstructure Residual Stresses and Stress Corrosion Cracking of Repair Welding on 304 Stainless Steel: Part II-Effects of Reinforcement Height

机译：304不锈钢补焊组织残余应力和应力腐蚀开裂的研究：第二部分-增强高度的影响

代理获取
本网站仅为用户提供外文OA文献查询和代理获取服务，本网站没有原文。下单后我们将采用程序或人工为您竭诚获取高质量的原文，但由于OA文献来源多样且变更频繁，仍可能出现获取不到、文献不完整或与标题不符等情况，如果获取不到我们将提供退款服务。请知悉。
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The repair reinforcement height is an important parameter of repair welding, which may have a great influence on structural integrity. In this paper, the effects of repair welding reinforcement height on the microstructure, microhardness, residual stresses and stress corrosion cracking (SCC) behavior of a 304 stainless steel-repaired joint were investigated by experimentation and simulation. With an increase of the repair weld reinforcement height, the ferrite content in weld and fusion zone is obviously reduced, and the ferrite shape is gradually changed from the skeleton to the worm shape. With the increase of repair welding reinforcement height, the microhardness and residual stresses decrease gradually. The tensile strength and elongation for higher repair weld reinforcement height are larger than those with lower repair weld reinforcement height. The higher the repair weld reinforcement height, the harder it is for SCC to occur. The repair welding in 304 stainless steel is recommended to be repaired no more than two times.
机译：补强高度是补焊的重要参数，可能对结构完整性有很大影响。通过实验和仿真研究了补焊补强高度对304不锈钢修复接头的组织，显微硬度，残余应力和应力腐蚀开裂（SCC）行为的影响。随着修补焊缝补强高度的增加，焊缝和熔合区的铁素体含量明显减少，铁素体的形状逐渐从骨架变为蠕虫形。随着补焊补强高度的增加，显微硬度和残余应力逐渐降低。较高的修补焊缝增强高度的拉伸强度和伸长率比较低的修补焊缝增强高度的拉伸强度和伸长率大。修补焊缝加固高度越高，发生SCC的难度就越大。建议使用304不锈钢进行的补焊不超过两次。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
代理获取

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号