Journal of Materials Processing Technology
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#2Jin Xie (SCUT: South China University of Technology)H-Index: 2
Abstract null null Stable ground surface depends on abrasive grain protrusions, but it has no way to monitor the wheel topographical state during grinding. Generally, the charge coupled device (CCD) monitoring is employed to on-machine measure 2D grain protrusions, but the whole wheel micro-topography has not been recognized in-process. In the electro-contact discharge (ECD) truncating of diamond wheel, a thermal transmission balance on diamond cutting interface is proposed to identify the diamo...
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#1Lei Hu (Anhui University of Technology)H-Index: 1
#2Xue Wang (WHU: Wuhan University)H-Index: 11
Last. Shuangshuang Chen (Anhui University of Technology)
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Abstract Local post weld heat treatment (PWHT) is usually employed in the field fabrication of large-sized 9% Cr heat resistant steel welded components, such as power plant boilers. Temperature field in local PWHT plays critical roles in both achieving PWHT purposes and avoiding detrimental effects of local heating. The objective of this research is to quantify the effects of local PWHT parameters and pipe dimensions on the temperature field in local PWHT of 9% Cr heat resistant steel pipes and ...
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#1Ran Zong (SDUT: Shandong University of Technology)H-Index: 3
#2Ji Chen (SDU: Shandong University)H-Index: 9
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Abstract null null A computational fluid dynamics model was established to investigate the undercut formation in high speed gas metal arc welding (GMAW). A double-ellipse integrated "arc current density-arc pressure-electromagnetic force-arc heat" distribution model, which could be self-adaptive to weld pool surface evolution, was developed. The multi-coupling transport phenomena in weld pool were simulated, and the effect of driving forces on the behaviors of molten metal and the formation of u...
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Abstract null null Electrolyte jet machining (EJM) is an innovative form of electrochemical machining (ECM) with excellent machining flexibility and accuracy. Recently, the nozzle inclination is introduced into EJM to further expand its machinability. In this work, to clearly reveal the mechanism behind this EJM process, a three-dimensional (3-D) multiphysics model of the stationary EJM process accounting for two-phase flow field and electric field was developed for the first time and experiment...
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#1Maxime Dumas (ECL: École centrale de Lyon)
#2Dorian Fabre (ECL: École centrale de Lyon)
Last. Joël Rech (ECL: École centrale de Lyon)H-Index: 39
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Abstract null null Nowadays, fatigue life of engineering components is a major topic. In the literature, extensive works have been reported in order to assess the machining-induced surface integrity which is known to be a first-order parameter for the fatigue resistance. This paper lies in the framework of turning-induced residual stress prediction by presenting an up-dated method based on a two-scale approach. Previous works aimed at building a 3D hybrid method consist of modelling the turning ...
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#1Hamid Reza Javadinejad (HBNU: Hanbat National University)H-Index: 2
#1Hamid Reza Javadinejad (HBNU: Hanbat National University)H-Index: 1
Last. Jeoung Han Kim (HBNU: Hanbat National University)H-Index: 23
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Abstract Pack rolling is an effective process for manufacturing Ti-6Al-4V products, especially thin sheets; however, it tends to cause surface defects. Surface ridging is the most significant surface defect produced during the pack rolling of thin sheets. Hence, in this study, the effects of pack-rolling conditions on the origin of surface ridging on Ti–6Al–4V alloy surfaces were investigated using experimental and numerical techniques. Pack rolling was carried out at temperatures of 830, 860, 9...
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#1Andrea De Bartolomeis (University of Bath)H-Index: 4
#2Stephen T. Newman (University of Bath)H-Index: 38
Last. Alborz Shokrani (University of Bath)H-Index: 13
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Abstract null null Inconel 718 is the most popular nickel-based superalloy, extensively used in aerospace, automotive and energy industries owing to its extraordinary thermomechanical properties. It is also notoriously a difficult-to-cut material, due to its short tool life and low productivity in machining operations. Despite significant progress in cutting tool technologies, the machining of Inconel 718 is still considered a grand challenge. null This paper provides a comprehensive review of r...
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Abstract null null Dissimilar joints of copper and aluminium alloy were generated by electric current assisted ultrasonic welding (EUSW). The microstructure characteristics and mechanical properties of Cu/Al EUSW joints were systematically investigated. The electric current promoted the plastic flow at the welding interface. The intermetallic thickness increased with electric current. The microstructure characteristics of Cu/Al joints welded by EUSW were compared with those of the Cu/Al joints w...
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#1Ye Zhou (SUT: Shenyang University of Technology)H-Index: 3
#2Pingli Mao (SUT: Shenyang University of Technology)H-Index: 12
Last. Zheng Liu (SUT: Shenyang University of Technology)H-Index: 14
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Abstract null null The influence of copper (Cu) on fluidity and hot tearing susceptibility (HTS) of Mg-7Zn-xCu (x = 0, 1, 2, 3) ternary alloys was studied by experimental investigation and simulation assessment. The experimental investigations were carried out using bespoke fluidity and “T-shaped” hot tearing test molds. The microstructure and morphology were characterized by scanning electron microscopy system equipped with an energy dispersive spectroscopy system, and transmission electron mic...
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