Results 21 to 30 of about 278 (172)
Materials Research Express, 2022 Evolution of microstructure and the globularization mechanism of α lamellar for TC21 titanium alloy during multi-directional forging (MDF) were analyzed with the help of OM, SEM, EDS and TEM techniques, FE simulation was also used to observe the above ...
Cheng Tao +5 more
doaj +1 more source
Multidirectional Forging of High-Leaded Tin Bronze: Effect on Wear Performance [PDF]
Metallography, Microstructure, and Analysis, 2017 The dry sliding wear behavior of high-leaded tin bronze alloy was analyzed after multidirectional forging (MDF). The effect of MDF on the wear performance was analyzed under various loads, sliding velocities, and sliding distances. X-ray diffraction (XRD) analysis and energy-dispersive X-ray spectroscopy (EDS) were carried out on wear surfaces to ...
Rahul Gupta +3 more
openaire +1 more source
Ductility enhancement of EW75 alloy by multi-directional forging
Journal of Magnesium and Alloys, 2014 In this study, the Mg–7Gd–5Y–1Nd–0.5Zr alloy can reach a high ductility by the process of multi-directional forging, and the evolution of the microstructure, texture and the mechanical properties were discussed systematically. The results show that after
M. Hong, D. Wu, R.S. Chen, X.H. Du
doaj +1 more source
Materials & Design, 2023 Centimeter-grade coarse grains commonly exist in heavy ingots of Ti2AlNb-based alloy and severely deteriorate their workability. To investigate the refinement of coarse grains, multi-directional isothermal forging (MDIF) was carried out on samples cut ...
Zhongyuan Yang +4 more
doaj +1 more source
Journal of Materials Research and Technology, 2023 To explore high temperature ductility, a new Mg-2.70Zn-1.34Y-0.37Ca-0.02Zr (wt.%) alloy has been fabricated by novel multidirectional forging (MDF) and hot rolling. The microstructure and mechanical properties were investigated. The average grain size of
Furong Cao +5 more
doaj +1 more source
Metals, 2020 This study investigates three processes of multidirectional forging (MDF), namely, closed MDF (CMDF), single-open MDF, and double-open MDF, by using a constitutive equation and a dynamic recrystallization model of hot deformation of the GH4169 superalloy.
Yongbo Jin +5 more
doaj +1 more source
Tensile behavior of an austenitic stainless steel subjected to multidirectional forging
IOP Conference Series: Materials Science and Engineering, 2014 The mechanical behavior of a chromium -nickel austenitic stainless steel with submicrocrystalline structures produced by multidirectional forging (MDF) to a total strain of ∼ 4 at temperatures of 700 and 600° C was studied. This processing resulted in the formation of uniform ultrafine grained structure with an average crystallite size of 360 and 300 ...
Tikhonova, M. +4 more
openaire +2 more sources
Microstructural evolution of Mg-7Al-2Sn Mg alloy during multi-directional impact forging
Journal of Magnesium and Alloys, 2015 Multi-directional impact forging (MDIF) was applied to a Mg-7Al-2Sn (wt.%) Mg alloy to investigate its effect on the microstructural evolution. MDIF process exhibited high grain refinement efficiency.
M.G. Jiang, H. Yan, L. Gao, R.S. Chen
doaj +1 more source
Успехи физики металлов, 2022 The nitriding process of the coarse-grained and fine-grained pure titanium proceeded by multidirectional forging technique has been investigated at temperatures of 623, 673, and 723 K.
J. M. Windajanti, M. S. Rajapadni, D. J. D. H. Santjojo, M. A. Pamungkas, A. Abdurrouf, and T. Aizawa
doaj +1 more source
Ultrafine grain development in copper during multidirectional forging at 195 K
Philosophical Magazine Letters, 2007 Strain-induced evolution of ultrafine grains in pure copper was studied in multidirectional forging (MDF) at 195 K. The stress–strain behaviour was characterized by rapid strain hardening during early processing and the rate of strain hardening gradually decreased with straining, leading to an apparent steady-state flow at large cumulative strains of ...
C. Kobayashi +3 more
openaire +1 more source