1) Restrained welding stress
焊接拘束应力
2) restraint welding
拘束焊接
3) Restraint stress
拘束应力
1.
Relationship between restraint intensity and restraint stress in elasto-plastic range;
弹塑性条件下拘束度与拘束应力
2.
Study on distribution of restraint intensity and restraint stress in slit weld specimen;
缝隙型试件拘束度和拘束应力的研究
3.
Starting with the change in the groove gap owing to the local preheating, we deal with the additional restraint thermal stress △σ_p and the restraint stress σ_w in the RRC test on local preheating.
从分析局部预热产生的焊根间隙变化出发,研究了局部预热下刚性对接接头焊接拘束应力σ_w、附加拘束应力△σ_p的计算方法,讨论了局部预热温度、局部预热宽度的影响,推导了局部预热条件下△_p、σ_w的计算公式。
4) constraint stress
拘束应力
1.
By simulating the real condition of field welding of closured weld joint,the constraint stress and welding residual stress status in adopting butt joint and overlap joint were understood and grasped,so providing foundations of selecting feat closured weld joint type for pressure pipes′ welding of No.
通过模拟合拢焊缝现场施焊的实际工况条件,了解和掌握合拢焊缝采用对接接头或搭接接头形式时的拘束应力和焊接残余应力状况,为三峡左岸电站#1~#6机压力钢管合拢焊缝选择合适的接头形式提供依据。
5) direct constraint power
直接拘束力
6) restraint welding
拘束焊
1.
The numerical calculation of stress and strain in restraint welding joints;
拘束焊接头应力应变的数值计算
2.
It can remove residual welding deformation effectively to use technology of restraint welding and reverse deformation.
合理采用拘束焊和反变形工艺措施，能有效地消除焊接残余变形，但是由于焊接结构应力应变场的复杂性，使得精确地计算拘束力、拘束长度和反变形很困难。
补充资料：焊接接头应力腐蚀
焊接接头应力腐蚀
welded joint stress corrosion
honJle Jiet0U ylngll fush}焊接接头应力腐蚀(welded joint Stress Cor-rosion)金属焊接接头处在腐蚀介质和表面拉伸应力联合作用下产生的脆性开裂现象。铬镍奥氏体不锈钢应力腐蚀开裂倾向大于马氏体或铁素体钢。关于这种腐蚀的机理迄今尚无完整的理论。以铬镍奥氏体不锈钢应力腐蚀为例，其特征为:(1)对腐蚀介质和材料的匹配有选择性，如MgC12、CaCI:等对不锈钢并无腐蚀作用，但在有表面拉应力时，就容易产生腐蚀开裂。(2)腐蚀裂纹只发生在局部区域，而不是整个与介质接触的界面上。(3)应力腐蚀开裂总是从表面开始，并沿厚度方向向纵深发展，不断地沿其尖端作选择性腐蚀，可在不太大的拉应力作用下迅速扩展，在几乎没有明显的塑性变形下即发生脆性开裂。(4)应力腐蚀开裂时的显微裂纹常常既有主干又有分支，貌似落叶后的树干和树枝。(5)在显微镜下观察一般多呈穿晶形式，也有穿晶或混合形式。(6)300℃以上很少见到应力腐蚀开裂现象。最易于出现应力腐蚀开裂的温度范围大约是50~200‘C。 (许祖泽)
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