2024 Method of autofrettage process

Method of autofrettage process

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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: … Web– The validation of the FEA method and material models used to simulate the autofrettage process and the residual stresses induced. – Investigate and quantify the hydrostatic pressure effect on strain gages used to measure the residual stresses induced during autofrettage. The initial design of the benchmark pressure vessels was based on FEA

US4571969A - Autofrettage process - Google Patents

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. WebBased on the type of load, autofrettage can be classified as hydraulic, swage, explosive, thermal, and rotational. In this chapter, the finite element method (FEM) modeling of hydraulic and thermal autofrettage processes is described. First, the various types of autofrettage processes are introduced and briefly reviewed. i hope finds you well

Autofrettage - Fundamentals, Industrial Applications and Benefits

Webautofrettage process to improve the strength of the combined die. 2 Theory and formulation The combined die, which consists of insert die and stress ring, is ﬁrst … 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. Web12 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 … ihop effingham illinois

Determination of Residual Stress Distributions in Autofretta

Metalworking - an overview ScienceDirect Topics

Web15 jul. 2024 · The principle of rotational autofrettage is based on inducing plastic deformation in the cylinder at the inner side and at its neighborhood by rotating the cylinder about its own axis at a certain angular velocity and subsequently bringing down it to zero angular velocity. However, the analysis of the process is still in its nascent stage. 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. is there a buyer for signature bankWeb1 jan. 2024 · There are various types of autofrettage processes, which are classified on the basis of the application of the deforming load. These different techniques of … i hope find you well

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Method of autofrettage process

FEASIBILITY STUDY OF THERMAL AUTOFRETTAGE PROCESS

WebThe 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 … 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 …

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WebAutofrettage is a metal working process for introducing the beneficial compressive residual stresses in pressure carrying vessels such as pressure vessels and gun barrels. … WebA full model of swage autofrettage was then developed, which was optimised on the basis of accuracy and solution effort. It was then used to investigate the effects of various mandrel and contact parameters on the creation of residual stresses. The model is suitable for use in future optimisation studies of the swage autofrettage procedure.

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 … Web30 jun. 2024 · Description Autofrettage Processes: Technology and Modeling deals with the technology and modeling of autofrettage processes, explaining the subject in a …

Web1 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 … 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 ...

WebA full model of swage autofrettage was then developed, which was optimised on the basis of accuracy and solution effort. It was then used to investigate the effects of various …

WebThis process is commonly referred to as "autofrettage" and involves the application of such interior pressure to the bore of the cylinder so as to plastically deform at least the inner layers... i hope find this emailWebMethod and device for the hydro-erosive rounding of an edge of a component专利检索，Method and device for the hydro-erosive rounding of an edge of a component属于 ..采用塑性变形磨剂在压力影响下磨剂是相对于工件运动的专利检索，找专利汇即可免费查询专利， ..采用塑性变形磨剂在压力影响下磨剂是相对于工件运动的专利汇是一 ... i hope finding you wellWebAutofrettage 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 … i hope for an hourWebAutofrettage 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 … i hope find this email wellWeb13 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, … i hope flights went smoothWeb24 nov. 2000 · Autofrettage is used to introduce advantageous residual stresses into pressure vessels. The Bauschinger effect can produce less compressive residual hoop … i hope find you well by this emailWeb1 jan. 2024 · Autofrettage is a metal working process for introducing the beneficial compressive residual stresses in pressure carrying vessels such as pressure vessels … i hope for nothing i fear nothing i am free