预热对690 MPa级HSLA钢对接接头力学性能的影响
Effect of Preheating on Microstructure and Mechanical Properties of Butt Joint of 690 MPa Grade HSLA Steel
预热对690 MPa级HSLA钢对接接头力学性能的影响 |
| 汤忖江, 安同邦, 彭云, 马成勇, 林纯丞, 石照夏, 秦哲 |
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Effect of Preheating on Microstructure and Mechanical Properties of Butt Joint of 690 MPa Grade HSLA Steel |
| TANG Cunjiang, AN Tongbang, PENG Yun, MA Chengyong, LIN Chuncheng, SHI Zhaoxia, QIN Zhe |
| 图2 预热对对接接头力学性能的影响 |
| Fig.2 Effects of preheating on mechanical properties of butt joints (a) tensile strength (Rm) of butt joints and weld metals, (b) total elongation (A) of weld metals, (c) engineering stress-strain curves of weld metals, (d) -50 ℃ impact energies (KV2) of WM center, fusion line (FL) and HAZ (2 mm outside fusion line) |
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