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Numerical analysis of the swage autofrettage process for cylindrical high pressure vessels.

机译：圆筒形高压容器模压自紧工艺的数值分析。

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In this work the swage autofrettage process is examined with respect to the influence of design variables on the residual stress field remaining in a cylindrical pressure vessel after processing. A material model is derived that captures the behavior of high strength steel ASTM A723 during fully reversed plastic strain cycles, including the Bauschinger effect and changes in the elastic stiffness. An algorithm for implementing this material model in a finite element code is provided and the performance is demonstrated through simulation of the swage process with results compared to experimental strain data obtained during the swage process. A parametric study is performed that examines the influence of wall ratio and bore interference on the residual stress field.

机译：在这项工作中，相对于设计变量对加工后残留在圆柱形压力容器中的残余应力场的影响，对型锻自紧工艺进行了检查。得出了一个材料模型，该模型捕获了高强度钢ASTM A723在完全反向的塑性应变循环期间的行为，包括鲍辛格效应和弹性刚度的变化。提供了一种用有限元代码实现此材料模型的算法，并通过模拟模锻过程演示了性能，并与模锻过程中获得的实验应变数据进行了比较。进行了参数研究，研究了壁比和孔洞干扰对残余应力场的影响。

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作者
Aiello, Christopher Jared.;
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Rensselaer Polytechnic Institute.;

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授予单位 Rensselaer Polytechnic Institute.;
学科 Mechanical engineering.
学位 Ph.D.
年度 2016
页码 78 p.
总页数 78
原文格式 PDF
正文语种 eng
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1. Design of two-pass swage autofrettage processes of thick-walled cylinders by computer modeling [J] . Zhong Hu Proceedings of the Institution of Mechanical Engineers, Part C. Journal of mechanical engineering science . 2019,第4期

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2. Numerical evaluation of an autofrettaged thick-walled cylinder under dynamically applied axially non-uniform internal service pressure distribution [J] . Onur Güng(o)r, Veli (C)elik 兵工学报（英文版） . 2018,第005期

机译：动态施加轴向非均匀内部工作压力分布下的自密封厚壁圆筒的数值评估
3. Fatigue analysis of thermal shrink-fit autofrettage in pressure cylinder using finite element analysis [J] . Mohan A, Julyes Jaisingh S, Babu Aurtherson P Journal of Materials Research and Technology . 2020,第4期

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4. Numerical evaluation of an autofrettaged thick-walled cylinder under dynamically applied axially non-uniform internal service pressure distribution [C] . Onur G(U)NG(O)R, Veli (C)EL(I)K International conference on defence technology . 2018

机译：动态施加轴向非均匀内部维修压力分布下自动分流厚壁圆筒的数值评价
5. High pressure processing of solid foods: Experimental and numerical analysis of inactivation of microorganisms [D] . Rasanayagam, Vasuhi 2007

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6. Description of Residual Stresses in Autofrettaged Open-Ended Cylinders Made of High-Strength Steel [O] . Sergei Alexandrov, Elena Lyamina, Jong-Ning Aoh, 2020

机译：由高强度钢制成的自动改造开放式圆柱体中的残余应力描述
7. Gas pressure and density effects on vibration of cylindrical pressure vessels: analytical, numerical and experimental analysis [O] . Omid Mir, Meisam Shakouri, M. R. Ashory 2019

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8. Residual Stress Analysis in Swage Autofrettaged Thick-Walled Cylinders byPosition-Sensitive X-Ray Diffraction Techniques [R] . Lee, S. L. 1994

机译：采用定位敏感X射线衍射技术的自组装厚壁圆筒残余应力分析

Numerical analysis of the swage autofrettage process for cylindrical high pressure vessels.

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