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首页> 外文会议>International Conference on Fracture and Damage Mechanics >Evaluation of Residual Stresses in Laser Welded High-Pressure Vessels Steels by X-Ray Diffraction
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Evaluation of Residual Stresses in Laser Welded High-Pressure Vessels Steels by X-Ray Diffraction

机译：通过X射线衍射评估激光焊接高压容器钢中的残余应力

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摘要

This paper contains results of a comprehensive experimental programme aimed at an evaluation of residuals stresses in and near laser welds of pressure vessels steels using X-ray diffraction method. Welds were prepared by the company RAPTECH s.r.o., where two types of steel plates, namely P355 and P460 of the thickness 5, 8 and 10 mm, were welded by a laser beam with specific parameters. Surface transversal and longitudinal stresses were analysed on both sides of the welds, namely upper and downside. The results, important for further applications of the used technology, are discussed particularly from the viewpoint of possible critical areas near the welds and their impact on fatigue loading.
机译：本文含有综合实验计划的结果，其旨在使用X射线衍射法测定压力容器钢的剩余焊接和近激光焊缝的结果。焊接由公司Raptech S.R.O编写，其中，通过具有特定参数的激光束焊接两种类型的钢板，即厚度5,8和10mm的P355和P460。在焊缝的两侧分析表面横向和纵向应力，即上下侧。结果，对于所使用的技术的进一步应用，特别是从焊缝附近可能的关键区域的观点来讨论的结果，重要的是讨论的，以及它们对疲劳负荷的影响。

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