Improvement of HAZ Toughness in High Strength Steels under High Heat Input.

采用细小贝氏体改进大线能量高强度钢板的热影响区(HAZ)韧性.

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Be responsible for bearing laser marking HAZ depth measurement and final metallurgical inspection of carburized steel.

负责激光标印HAZ深度的测试和渗碳钢的最终冶金检查.

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Fracture toughness of heat - affected zone ( HAZ ) was between the base metal and weld metal.

焊接热影响区的断裂韧性介于母材和焊缝金属之间.

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Toughness distributions of different area on HAZ of grade X 80 pipeline steel have been studied.

研究了X80级管线钢焊接热影响区不同区域的韧性分布.

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Results showed that hardness is a little different in the heat affected zone ( HAZ ).

结果表明,焊接热影响区具有较小的 硬度 差异.

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Charpy toughness and local brittleness of HAZ of X 80 line pipes made in China were studied.

研究了国产X80级管线钢热影响区的冲击韧性和组织的局部脆化.

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