weld heat-affected zone的意思|示意

The basic requirement of welding the steel 2205 is that the weld metal and heat-affected zone obtain a favorable phase balance and retain the performance as the base metal after welding.

平衡铁素体和奥氏体两相组织在焊缝金属和热影响区中的比例，保证焊接接头的性能，是双相不锈钢焊接的基本要求。

The microstructure in weld metal, heat affected zone (HAZ) doesn't change, but the grains in HAZ grow up.

焊缝金属、热影响区中的微观组织基本没有变化，但热影响区组织晶粒略有长大趋势。

Using the heat of welding to vapour water, cooling rates are lowered on the weld bead and heat -affected zone.

利用焊接时的加热使水汽化，不仅使焊道而且使热影响区的冷却速度减慢。

Metallurgical tests of cross-sectional weld samples indicate a minimal heat-affected zone that is identical to the parent metal.

剖焊样品的金相检验表明，成品的最小热影响区与母体金属完全相同。

The Charpy impact test of base metal, weld and heat affected zone of X80 grade pipeline steel of certain factory was conducted, and its effective grain was researched.

对某厂x 80高钢级管线钢母材、焊缝、热影响区进行了夏比冲击韧性试验，对其有效晶粒进行了研究。

The result shows that the fracture mode is low stress brittle fracture. The fracture is mainly caused by needle type martensite in the heat affected zone of the weld joint.

结果表明，在连接杆焊缝附近的热影响区中存在大量针状马氏体组织，在低应力的作用下，导致材料发生脆性断裂。