Residual stress and microstructure of the

Residual stress and microstructure of the

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Microstructure and residual stress of laser rapid formed

The microstructure and residual stress of laser rapid formed (LRFed) nickel-base superalloy Inconel 718 was investigated. The as-deposited microstructure of an LRFed Inconel 718 alloy is composed of columnar dendrites growing epitaxially along the deposition ...

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Characterization of microstructure and residual stress in

Characterization of microstructure and residual stress in a 3D H13 tool steel component produced by additive manufacturing - Volume 29 Issue 17 - Ryan Cottam, James Wang, Vladimir Luzin H13 tool steel was deposited using the additive manufacturing technique ...

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Vacuum heat treatment of iron parts produced by

Selective laser melted parts easily accumulate a large amount of residual stress due to their rapid heating and cooling, which is deleterious to their mechanical properties and limits their applications. In this work iron parts, as the basic industry material, were ...

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The effect of vibratory stress on the welding

In this investigation, vibratory stress was applied to mild steel specimens while they were being welded to observe its effect on the residual stress, microstructure and hardness of the material. Residual stresses were found to decrease in response to vibration

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Evolution of Microstructure, Residual Stress, and Tensile

9/4/2019· The microstructure, texture, residual stress, and tensile properties of Mg6Zn2Y1La0.5Zr (wt%) magnesium alloy were investigated before and after extrusion process, which performed at 300 C and 400 C. The microstructural characterizations indicated that the ...

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Residual Stress, Microstructure and Hardness of Thin-Walled

Although advances have been made on welding residual stress in thin-walled pipes, few works have evaluated the effect of welding parameters/procedures on residual stress, or the residual stress, mechanical properties and microstructure relationships. Silva et al.

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Effects of Stress-Relief Annealing on the Residual Stress

The effects of stress-relief annealing on the distribution of residual stress and on the microstructure of TA15 (Ti-6.5Al-2Zr-1Mo-1V) alloy joints by electron beam welding (EBW) were investigated. The results indicated that the microstructure of welded joint presented a ...

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Microstructure, Residual Stress Distribution and Mechanical

Microstructure, Residual Stress Distribution silicon (Al-Mg-Si) heat treatable wrought alloys, although of only medium strength, appears to have weldability advantage over high strength aluminum alloys. For this reason Al-Mg-Si alloys are widely used for structural

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Residual Stress and Microstructure of CU/W Multilayers

15/2/2011· We have determined residual stresses and the layer microstructure in as-prepared Cu/W multilayers of different periods ranging from 5.2 to 20 nm by both X-ray diffraction and the curvature radius method. The magnitude of the principal in-plane stress is large in the ...

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Residual stress and microstructure of as-deposited and

adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A

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The effect of microstructure parameters on the residual

Investigation of microstructure parameters on the residual stresses of ultrafine-grained sheets. Microstructure parameters are crystallites size, dislocations density, and lattice strain. Microstructure parameters have a significant effect on macro-residual stresses

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Interplay Between Residual Stresses, Microstructure_

Interplay Between Residual Stresses, Microstructure, Process Variables and Engine Block Casting Integrity ANTHONY LOMBARDI, FRANCESCO DELIA, COMONDORE RAVINDRAN, DIMITRY SEDIAKO, B.S. MURTY, and ROBERT MACKAY The replacement of ...

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[email protected]: Microstructure, residual stress, and

The microstructure and residual stress of sputter-deposited films for use in microfabricated solid oxide fuel cells are presented. Much of the work focuses on the characterization of a candidate solid electrolyte: Yttria Stabilized Zirconia (YSZ). Stress and structure of ...

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Effect of thermal relaxation on residual stress and

Thermal relaxation behavior of residual stress and microstructure in the near-surface layers of dual shot peened Inconel alloy 625 was investigated by X-ray diffraction method. Residual stress on the top surface layer was significantly relaxed in the first 15 min at the ...

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Effects of Ultrasonic Impact Treatment on the Residual

The effects of ultrasonic impact treatment (UIT) on the distribution of residual stress and on the microstructure of TA15 (Ti-6.5Al-2Zr-1Mo-1V) alloy joints by electron beam welding (EBW) were investigated. The results demonstrated that a marked microstructure ...

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Selective laser melting of H13: microstructure and

Request PDF Selective laser melting of H13: microstructure and residual stress In this research, samples of the H13 steel, a commonly used hot work tool steel in the die/mould ...

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Evolution of Microstructure, Residual Stress, and Tensile

The microstructure, texture, residual stress, and tensile properties of Mg6Zn2Y1La0.5Zr (wt%) magnesium alloy were investigated before and after extrusion process, which performed at 300 C and 400 C. The microstructural characterizations indicated that the ...

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Microstructure and residual stress analysis

Department Activities in the department of microstructure and residual stress analysis focus on the operation of large scale synchrotron and neutron facilities at BESSY II and BER II, respectively. It aims at the characterization of structure and properties of materials ...

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Residual Stress and Microstructure Characterization of

34CrMo4 steel is widely used for drill stem in oil exploration, because of its excellent properties, such as favorable hardenability, shock absorption, less tendency of temper brittleness, and eminent wear resistance. In this study, the main works are residual stress ...

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Residual stress and microstructure of as-deposited and

Residual stress and microstructure of as-deposited and annealed, sputtered yttria-stabilized zirconia thin films - Volume 23 Issue 3 - David J. Quinn, Brian Wardle, S. Mark Spearing Skip to main content We use cookies to distinguish you from other users and to ...

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Machining Residual Stresses

will induce their own residual stress profiles on the workpieces, it is common that the very last machining operations residual stress profile will be dominant. Stresstech is a research-oriented company with 34 years experience in residual stress engineering. Feel

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Investigation of Performance and Residual Stress

During the selective laser melting (SLM) process, the scanned layers are subjected to rapid thermal cycles. By working on the mechanical properties, residual stress, and microstructure, the high-temperature gradients can have significant effect on the proper ...

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Nanoscale residual stress and microstructure gradients

The lifetime of coated cutting tools is decisively influenced by residual stress gradients across cutting edges. Here, cross-sectional X-ray nanodiffraction with a beam size of 35 × 25 nm 2 was used to retrieve gradient properties of a ~2 µm thick TiN coating on WC Co substrate. Co substrate.

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Residual Stress Distribution and Microstructure Evolution of AA

metals Article Residual Stress Distribution and Microstructure Evolution of AA 6061-T6 Treated by Warm Laser Peening Shu Huang 1,2, Zuowei Wang 1, Jie Sheng 1,*, Emmanuel Agyenim-Boateng 1, Muxi Liu 1, Xiaole Yang 1 and Jianzhong Zhou 1 1 School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China; ...

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Effect of near-surface residual stress and

TY - JOUR T1 - Effect of near-surface residual stress and microstructure modification from machining on the fatigue endurance of a tool steel AU - Ghanem, F. AU - Sidhom, H. AU - Braham, C. AU - Fitzpatrick, Michael E. N1 - This paper is not available on the

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Tailoring the residual stress and mechanical properties by

The residual stress and mechanical anisotropy caused by cold rolling (CR) seriously deteriorate the heat treatment distortion and final service performance of M50 steel. In this work, the effect of electroshocking treatment (EST) on the microstructure, residual stress ...

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Effect of annealing on microstructure, residual stress,

@article{osti_208075, title = {Effect of annealing on microstructure, residual stress, and photovoltaic characteristics of electrodeposited CdTe films}, author = {Kim, D. and Qi, B. and Williamson, D.L. and Trefny, J.U.}, abstractNote = {The effect of annealing on the characteristics of

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Residual Stress, Microstructure and Hardness of Thin

ABSTRACT The aim of this work is to evaluate the welding residual stress profile in ASTM A106 Gr. B steel pipes with 4" diameter and to correlate this profile with the microstructure and hardness of the joint. The results showed that the residual stresses are more ...

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Fatigue crack propagation behaviour in wire+arc additive manufactured Ti 6Al 4V: Effects of microstructure and residual stress

Residual stress exists in AM parts due to the thermal contraction of the material in the melting and rapid cooling process [24]. Residual stress can be either beneficial or detrimental depending on its sign, magnitude and distribution with respect to the crack

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ON THE NEW METHOD TO COMPUTE THE FATIGUE

We have then computed shakedown stress intensity factor for some materials that we have compared to the corresponding fatigue thresholds. The ascertain discard are owed essentially to residual stress that develop in the neighborhood of the crack tip, and

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Effect of internal residual stress on the dielectric

3/5/2005· The role of internal residual stress in the dielectric properties of sputter-deposited polycrystalline (Ba,Sr)TiO3 thin films was studied experimentally using test samples in the form of parallel-plate capacitors on platinized silicon substrate. Different deposition-pressure ...

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Residual stress, microstructure, and structure of

15/12/1999· The residual stress and structural properties of tungsten thin films prepared by magnetron sputtering as a function of sputtering-gas pressure are reported. The films were analyzed in situ by a cantilever beam technique, and ex situ by x-ray diffraction, cross-sectional ...

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