...S. Feli; M. E. Aalami Aaleagha; M. Foroutan; E. Borzabadi Farahani In this paper, a finite element simulation, based on abaqus software is presented for analyzing the temperature history and the residual stress states in multipass welds in stainless steel pipe. The uncoupled thermal–mechanical...

...H. F. Wang; Z. F. Sang; G. E. O. Widera The fabrication of stainless steel tube-to-tubesheet joints of heat exchangers consists of welding after hydraulic expansion. Here, this process is simulated by use of the finite element method, which is carried out in a sequentially decoupled analysis...

...Wenchun Jiang; B. Yang; J. M. Gong; S. T. Tu This paper used finite element method (FEM) to predict the residual stresses in repair weld of a stainless steel clad plate. The effects of clad metal thickness and base metal thickness on residual stresses have been investigated. The results show...

... [( 4 5 6 7 )] that suppose the branching of cracks as a main marking for SCC, this study indicated that corrosion fatigue cracks in 304 stainless steels can be branched in presence of NaOH and chloride ions. Optical microscopic microstructures of cracked tubes, ( a ) from external surfaces...

...Yinsheng Li; Kunio Hasegawa; Akira Shibuya; Nathaniel G. Cofie When a flaw is detected in a stainless steel piping system, an evaluation has to be performed to determine its suitability for continued operation. The failure bending moment of the flawed pipe can be predicted by limit load criterion...

... 304 stainless steel treated by UIT have been investigated by nanoindentation and microhardness measurements. The hardness of the top nanostructured surface layer and its elastic modulus are about 38% and 30% higher, respectively, than those of the bulk material in the nanohardness testing. Also...

... process and load decrease in structure having stress concentration. Test specimens made of SUS304 stainless steel are tested at 550 ° C and the geometry of the semicircular notched plate specimens are changed by diameter size of the circular notch in both of single-notched specimens and double-notched...

...Jun-Seok Yang; Chi-Yong Park; Nam-Su Huh The present paper addresses the mechanical characteristics of the stainless steel narrow gap weld (NGW) for the leak-before-break (LBB) application to the main loop piping of a nuclear power plant. Recently, in Korea, the connection with the reactor coolant...

...) was initially used in USC plants and HCM12A (ASME Grade 122 ( 1 ), KA-SUS410J3 in Japanese standard) was subsequently employed to achieve cost reduction by thinning tube or pipe with higher allowable stresses. creep fracture fracture toughness stainless steel welding 17 03 2009 11 09...

.... 0376-9429 , 85 , pp. 1 – 9 . 10.1023/A:1007452331773 Tada , N. , Kitamura , T. , Ohtani , R. , and Nakayama , E. , 1998 , “ Evolution of Creep-Fatigue Damage in Type 304 Stainless Steel and Its Detection by Electrical Potential Method ,” Acta Metall. Sin. (Engl. Lett.) 1006...

...Yinsheng Li; Kunio Hasegawa; Kunio Onizawa; Nathaniel G. Cofie When a flaw is detected in a stainless steel piping system of a nuclear power plant during in-service inspection, the limit load estimation method provided in codes such as ASME Section XI or JSME S NA-1-2008 can be applied to evaluate...

...K. K. Botros; J. Geerligs; R. J. Eiber Measurements of decompression wave speed in conventional and rich natural gas mixtures following rupture of a high-pressure pipe have been conducted. A high-pressure stainless steel rupture tube (internal diameter = 38.1 mm and 42 m long) has been constructed...

... R T ) It has been reported that Eq. 11 is in good agreement with the experimental data for SUS304 stainless steel ( 20 ), Cr–Mo–V steel ( 21 ), γ ′ Ni-based superalloys ( 22 ), and high Cr tempered martensite steel ( 23 ). Derivation method of the Q ∗ parameter...

...M. Turski; M. C. Smith; P. J. Bouchard; L. Edwards; P. J. Withers Application of electronic speckle pattern interferometry (ESPI) is described to measure the spatial variation in monotonic tensile stress-strain properties along “cross-weld” specimens machined from a stainless steel three-pass...

... to simulate the UIT process by using the finite element software ABAQUS . The residual stress distribution of the AISI 304 stainless steel induced by UIT was predicted by finite element analysis. In order to demonstrate the improvement of the SCC resistance of the welded joints, the specimens were immersed...

... stainless steel pipes with two symmetrical circumferential flaws. Consequently, it was shown that the proposed method can predict well the plastic collapse stresses for pipes with two flaws. In addition, it is also shown that this method is appropriate to use in fitness-for-service procedures, and higher...

... needs to be addressed in simulation. In this study, ratcheting tests are conducted on stainless steel 304 under uniaxial, torsional, and combined axial-torsional loading. The ratcheting strain is predicted based on the constitutive theory that incorporates a modified Ohno–Wang kinematic hardening rule...

...Wen-Chun Jiang; Jian-Ming Gong; Hu Chen; S. T. Tu This paper presented a finite element analysis of the effect of brazed residual stress on creep for stainless steel plate-fin structure using finite element code ABAQUS . The as-brazed residual stress distribution generated during the brazing...

.... Thus, it is important to optimize the brazing parameters in order to minimize such effects. This paper presents a three-dimensional finite element analysis for determining the residual stresses and thermal deformation of a three layered stainless steel plate-fin structure fabricated by nickel-based...

...Andrey P. Jivkov; Nicholas P. C. Stevens; Thomas J. Marrow The resistance of polycrystalline materials to intergranular cracking can be influenced by the microstructure. In sensitized stainless steels, for example, the grain boundaries prone to sensitization form paths of low resistance...