Method of autofrettage process

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Web2 dec. 2024 · The autofrettage process is faster and cheaper than the built-up method . Still the autofrettage technique can only be implemented for making moderate-size guns … Web1 aug. 2024 · Depending on the loading process, autofrettage may be classified into hydraulic [1], mechanical or swage [2], explosive [3], thermal [4] and rotational [5]. The …

Understanding the basics of autofrettage Machine Design

Web26 mei 2008 · The paper presents a novel concept of an autofrettage compounded tube which has been modelled for the autofrettage process by using a Huang's model (2005) for modelling reverse yielding due to Bauschinger effect. The autofrettage and post autofrettage machining has been validated using finite element methods on ANSYS13. Web[en] The optimum autofrettage pressure and the optimum radius of the elastic-plastic boundary of strain-hardening cylinders in plane strain and plane stress have been studied theoretically and by finite-element modeling. Equivalent von-Mises stress is used as yield criterion. Comparison of the results of the two methods shows good agreement. … hindi swar story

Autofrettage process: ﬁnite element simulation and …

Web针对化工生产过程中高压管道连接的密封问题,设计了新型管箍式高压自紧密封结构,建立了三维模型,采用ANSYS Workbench分析软件,计算了在符合实际工况的流体压力作用下自紧密封结构的应力状态,并对结构部件的力学特性和密封性能进行了强度评定.结果表明:自紧密封结构与管道连接处应力最大,其应力 ... WebAutofrettage is a metal working process for introducing the beneficial compressive residual stresses in pressure carrying vessels such as pressure vessels and gun barrels. The induced compressive residual stress field enhances the pressure carrying capacity, fatigue life, stress corrosion resistance, and creep resistance of the vessel. WebSeries: Elsevier series in mechanics of advanced materials Title: Mechanics of materials in modern manufacturing methods and processing techniques Author(s): Silberschmidt, Vadim V(Editor) Publisher: Elsevier City: Amsterdam Year: 2024 Pages: xviii, 456 Seiten: Illustrationen ISBN: 9780128182321; 0128182326 Language: English Goodreads: … homemade baked bread recipes

FEASIBILITY STUDY OF THERMAL AUTOFRETTAGE PROCESS

管箍式高压自紧密封结构的力学性能分析-石文昊王松松李龙斌王兆 …

WebTitle: Mechanics of Materials in Modern Manufacturing Methods and Processing Techniques . Author(s): Silberschmidt, Vadim V. Publisher: Elsevier City: Amsterdam. Year: 2024. ... 2.1.2 Swage autofrettage -- 2.1.3 Explosive autofrettage -- 2.1.4 Thermal autofrettage -- 2.1.5 Rotational autofrettage 2.2 Numerical modeling of elastic-plastic ... Web1 dec. 2015 · Both the processes are well established, but still there are certain disadvantages associated with the processes. The present work proposes a novel method of autofrettage for increasing the pressure carrying capacity of thick-walled cylinders. The method involves only radial temperature gradient in the cylinder for achieving autofrettage. homemade baked beans with bacon molassesWeb1 jan. 1981 · Finite element method modeling of hydraulic and thermal autofrettage processes 2024, Mechanics of Materials in Modern Manufacturing Methods and Processing Techniques Show abstract Mixed mode cracks in annular planes of cylindrical orthotropy subjected to inplane loading 2024, Theoretical and Applied Fracture … homemade baked beans with kidney beans

"WebAutofrettage is performed either by the usage of hydraulic or swage method (Gibson [4]). Autofrettage procedure is based on the establishment of a plastic region with in the … " - Method of autofrettage process

Method of autofrettage process

A comparative study of thermal and hydraulic autofrettage

Web3 jan. 2024 · Therefore, in the engineering design process, it is not advisable to simulate the autofrettage high-pressure cylinder using the BLH. 3.2 Stress Distribution of Autofrettage Material Model The Bauschinger effect refers to the phenomenon that plastic strain strengthening caused by forward loading during metal plastic processing leads to … Web30 jun. 2016 · The thermal autofrettage process is also studied for the thick-walled cylindrical vessels subjected to high thermal gradient with or without pressure and is compared with the hydraulic autofrettage. ... He has published about 71 journal papers, 80 conference papers, and 5 books related to manufacturing and finite element method.

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Web13 jan. 2024 · The presented article shows an estimation method of optimum autofrettage pressure taking into consideration subsequent cyclic loading. An autofrettage process is used in pressure vessel applications for strength improvement. The process relies on applying massive pressure that causes internal portions of the part to yield plastically, … WebAutofrettage is an industrial process which over-pressurizes a pressure component to induce a speciﬁc level of plastic strain. This plasticity leads to the induction of a …

Webautofrettage process depends on applying massive pressure that causes internal portions of the part to yield plastically, resulting in internal compressive residual stresses when … Web11 jul. 2015 · G. P. O’Hara, Analysis of the swage autofrettage process, Bene´T Laboratories, Watervliet Arsenal, NY, US Army Ardec Technical Report No. Arccb-Tr-92016 (1992). Google Scholar . M. Perl and R. Arone, An Axi symmetric stress release method for measuring the autofrettage level in thick-walled cylinders-Part 1: Basic concept and …

Web1 aug. 2024 · A typical thermal autofrettage process was carried out for a temperature gradient of 330 °C by setting the temperatures of the inner wall and outer wall to 20 °C and 350 °C, respectively. A satisfactory mesh was obtained with 600 elements (60 divisions) along the thickness and (10 divisions) along the length. Web1 mei 2007 · Autofrettage is a process in which the cylinder is subjected to a certain amount of pre-internal pressure so that its wall becomes partially plastic. The pressure is …

Web介绍了凝结水自动回收泵的工作原理、结构特点及优点,深入探讨了凝结水自动回收泵所采用的关键部件--浮球弹簧联动机构的'增力'原理.总结出了凝结水自动回收泵的可靠性、实用性以及需要改进之处.

Web17 jul. 2024 · A Novel Autofrettage Method for Strengthening and Design of Thick-Walled Cylinders,” Mater. ... A Finite Element Method Study of Combined Hydraulic and Thermal Autofrettage Process,” ASME J. Pressure Vessel Technol., 139 (4), p. 041204. Google Scholar. Crossref. hindi swar worksheet black and whiteWebThe cylindrical filament wound composite overwrapped pressure vessels (COPV) with metal liner has been widely used in spaceflight due to their high strength and low weight. After the autofrettage process, the plastic deformation of the metal liner is constrained by composite winding layers, which introduce depressions to the metal liner that causes … hindi suspense movies on netflixWeb5 apr. 2011 · The process artificially strains the material with stresses above the elastic limit, taking them just into the plastic region. It is similar to the process of prestressing … hindi swar worksheet for ukgWebArticle citations More>>. ANSYS (2024) Academic Research Mechanical, Release 19. has been cited by the following article: TITLE: Optimum Autofrettage Pressure of Hydrogen Valve Using Finite Element and Fatigue Analysis AUTHORS: Slawomir Kedziora, Thanh Binh Cao KEYWORDS: Autofrettage, Hydrogen Valve, Finite Element Analysis, … hindi swar rhymesWebThe process can reduce fatigue concerns in pulsating applications and lets engineers reduce tubing thickness in high-pressure applications without sacrificing strength, life, or safety. The autofrettage method is based on the reciprocal relationship of the plasticized inner zone and the elastically deformed outer zone. The components are placed ... homemade baked cerealWeb23 sep. 2024 · The hydraulic autofrettage is a class of autofrettage processes, in which the vessel is pressurized using high hydraulic pressure to cause the partial plastic … hindi swar textWeb12 dec. 2014 · A rigorous experimental study of the thermal autofrettage process was carried out by Kamal et al. [17] using three different techniques, viz., Sachs boring … homemade baked chicken spaghetti