B区为热影响区(Heat Affected Zone HAZ)，该区域的材料因受热循环的影响，但没有发生塑性变形。C区为热机影响区(Thermic-Mechnical Affected Zone TMAZ)，该区域材料受到...
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haz heat affected zone 高温影响区
The Ni based alloy powder surfacing layer was obtained by light beam surfacing on the 45 steel and the microstructure of heat affected zone(HAZ) and the phase of the surfacing layer were studied.
采用聚焦光束热源在45钢母材上获得了镍基合金粉末堆焊层，研究了堆焊层的物相组成及母材热影响区的微观组织特征。
Result of cross section analysis showed that the second phase reduced within a range of several tens microns, and the depth of heat affected zone (HAZ) increased with the increment of pulses.
截面分析结果显示，表面几十微米范围内，第二相减少，且随电子束轰击次数的增加，热影响区范围增大。
In this paper, the brittle fracture probability of weldments and the fracture toughness of heat affected zone (HAZ) were investigated according to the principle of the weakest link theory.
从最弱链模型的物理本质出发，探讨了影响焊接热影响区脆性断裂的主要因素。
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