| 高强度大厚度海洋平台桩腿板材加工前预热力学行为研究 |
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| 引用本文： | 周宏,张坤,洪军杰,张佾行,庞龙龙.高强度大厚度海洋平台桩腿板材加工前预热力学行为研究[J].船舶工程,2014,36(6):73-76. |
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| 作者姓名： | 周宏 张坤 洪军杰 张佾行 庞龙龙 |
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| 作者单位： | 江苏科技大学船舶与海洋工程学院,江苏科技大学船舶与海洋工程学院,江苏科技大学船舶与海洋工程学院,江苏科技大学船舶与海洋工程学院,江苏科技大学船舶与海洋工程学院 |
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| 基金项目： | 江苏省高校自然科学研究重大项目（14KJA570001） |
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| 摘 要： | 海洋平台桩腿高强度大厚度板材在切割焊接前预热对于减少结构裂纹十分必要。本文利用Jmatpro软件计算出NV E690板材的热物理性能参数,并根据金属学理论进行了修正。通过查阅文献,采用碳当量计算式来计算得到预热温度,结合企业生产实际,确定NV E690板材的预热温度为220 oCS。在此基础上基于热弹塑性有限元法数值模高强度大厚板板材的预热过程,与实测数据对比,验证了材料高温物理性能参数的可靠性,为进一步研究提供了理论依据及数据支持。
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| 关 键 词： | 关 键 词：海洋平台桩腿 预热仿真 高强度钢 |
| 收稿时间： | 6/6/2014 12:00:00 AM |
| 修稿时间： | 2014/7/11 0:00:00 |
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| Zhou hong,and.#$NL (1)[J].Ship Engineering,2014,36(6):73-76. |
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| Authors: | Zhou hong and |
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| Institution: | School of Naval Architecture,Ocean and Civil Engineering,Shanghai Jiaotong University, Dongchuan Road Shanghai,China School of Naval Architecture and Ocean Engineering,Jiangsu University of Science and Technology, Mengxi Road Zhenjiang,China,,,, |
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| Abstract: | It is necessary toShigh strength thick component of offshore platform in the cutting or weldingSpreheating,Sthe application of Jmatpro 7 was calculated by the thermal physical properties of the NV E690 parameter,Sand carries on the revision according to the knowledge of metal. The use of carbonSequivalentSformulaSto calculate theSpreheating temperature,Sthrough access to relevant informationSandSpracticalSinvestigation,Sfinally determine theSpreheating temperatureSof NV E690Ssteel cuttingSor weldingSis 220 oC. By using the finite element method,Snumerical simulation ofShighSstrength plate cutting or weldingSbefore preheating,SandScompared with the measuredSdata,Sverify the reliability ofSmaterialSphysical property parameters,Sand provide a theoretical basisSand data supportSfor further study. |
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| Keywords: | Slegs of ocean platform SpreheatingSsimulation high strength steel |
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