正火型V-N-Ti和Nb-V-Ti海工钢焊接粗晶热影响组织和韧性研究
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Study on Microstructure and Toughness of Simulated Coarse Grain Heated Zone in Normalized V-N-Ti and Nb-V-Ti Marine Steel
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图2. 焊接接头坡口的示意图 |
Fig.2. Sampling diagram of welding joint |
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