Results 31 to 40 of about 107,129 (303)

Smelting process of direct reduction iron bearing Ni and Cu to prepare Fe-Ni-Cu ternary alloy [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy, 2019
The smelting behavior of direct reduction iron powder containing Ni and Cu from co-reduction followed by a magnetic separation of copper slag and nickel laterite was investigated in this paper.
Zhu D.-Q., Pan L.-T., Guo Z.-Q., Pan J.
doaj   +1 more source

Direct Measurement of 2D and 3D Interprecipitate Distance Distributions from Atom-Probe Tomographic Reconstructions

, 2007
Edge-to-edge interprecipitate distance distributions are critical for predicting precipitation strengthening of alloys and other physical phenomena. A method to calculate this 3D distance and the 2D interplanar distance from atom-probe tomographic data ...
David N. Seidman, Dieter Isheim, Nembach E., Ohser J., Richard A. Karnesky, Wagner C.   +5 more
core   +1 more source

Application of a Dy3Co0.6Cu0.4Hx addition for controlling the microstructure and magnetic properties of sintered Nd-Fe-B magnets [PDF]

, 2019
The focus of new technologies on the formation of inhomogeneous distributions of heavy rare-earth metals (REMs) in hard magnetic Nd-Fe-B materials is of scientific importance to increase their functional properties, along with preserving existing sources
Burkhanov, Gennadij Sergeevich, Dormidontov, Nikolay A., Drulis, Henryk, Kolchugina, Natalia B., Koshkid'ko, Yury S., Lukin, Alexander A., Prokofev, Pavel A., Romanova, Tatyana, Skotnicová, Kateřina, Čegan, Tomáš   +9 more
core   +1 more source

Enhancing Automotive Valve Guide Tribomechanical Performance Through Alloy Optimization in Powder Metallurgy

Metals
Given the critical role of valve guides in the performance and lifespan of automotive engines, it is crucial to understand and improve their wear resistance.
Fujian Guo, Zhongyuan Yan, Guangyi Lu, Wenle Liu, Pan Zhang, Gengzhe Shen   +5 more
doaj   +1 more source

Enhanced Mechanical Properties Via the Incorporation of Ti in Cu Alloys [PDF]

Archives of Metallurgy and Materials
The influence of Ti addition on the microstructure, mechanical properties and electrical conductivity of Cu-14Fe alloy is studied. Great emphasis has been laid on the second phase, texture and mechanical properties.
Huihui Yu, Qiang Hu, Yapan Huang, Yanqi Zeng, Jingxuan Jia, Q. Hu, Rui Hong, Youliang Zhang   +7 more
doaj   +1 more source

Effect of Roasting Temperature on Phase Transformation in Co-Reduction Roasting of Nickel Slag

Metals, 2020
Nickel slag and blast furnace dust comprise a large part of solid waste produced by the metallurgical industry. In this study, a novel method of co-reduction roasting followed by grinding/magnetic separation was proposed to collaboratively reutilize ...
Yunye Cao, Chengyan Xu, Yuechao Tian, Yanqing Hou   +3 more
doaj   +1 more source

Atomic scale investigation of Cr precipitation in copper

, 2012
The early stage of the chromium precipitation in copper was analyzed at the atomic scale by Atom Probe Tomography (APT). Quantitative data about the precipitate size, 3D shape, density, composition and volume fraction were obtained in a Cu-1Cr-0.1Zr (wt.%
A. Chbihi, Aguilar, Apello, Batra, Batra, Becker, Cahn, Cahn, Christian, D. Blavette, Dahmen, Edwards, Fernee, Fujii, Gault, Goodman, Guillet, Hatakeyama, Hatakeyama, Heinrich, Hindrichs, Holzwarth, Ivanov, Kaur, Knights, Komen, Kozeschnik, Liu, Manh, Massalski, Massalski, Michaelsen, Miller, Othen, Pareige, Pearson, Philippe, Rdzawski, Rioja, Schmelzer, Schmelzer, Su, Tang, Turnbull, Vurpillot, Wada, Weast, Weatherly, Williams, X. Sauvage, Zhou   +50 more
core   +3 more sources

Transforming Fe-Cu alloys with unprecedented BCC Cu precipitates toward dual mechanical functionalities

Materials & Design
An Fe-10Cu alloy was fabricated without internal defects using a powder metallurgy-hot isostatic pressing (PM-HIP) method under high pressure conditions to determine the changes in its microstructure and physical properties according to the sintering ...
Jeong Rae Kim, Hyun-Su Kang, Tae-Wan Ko, Young Jae Hwang, Gun Hee Kim, Seon-Jin Choi, Kwangchoon Lee, Hyuk-Su Han, Hyung Giun Kim, Taeg Woo Lee   +9 more
doaj   +1 more source

The precipitation behavior and mechanical properties of Cu–Ni–Mn–Fe alloy during aging under elevated compression stresses

Materials Research Express, 2020
The Cu–Ni–Mn–Fe alloy is prepared to study its precipitation behavior and mechanical properties during aging under elevated compression stresses.
Hao Shi, Juntao Zou, Jingren Chen, Peng Xiao, Fei Cao, Shuhua Liang   +5 more
doaj   +1 more source

Solute effects on edge dislocation pinning in complex alpha-Fe alloys [PDF]

, 2017
Reactor pressure vessel steels are well-known to harden and embrittle under neutron irradiation, mainly because of the formation of obstacles to the motion of dislocations, in particular, precipitates and clusters composed of Cu, Ni, Mn, Si and P.
Ackland, Bacon, Bonny, Bonny, Buswell, E. Martínez, English, English, G. Monnet, Hirth, L. Malerba, Lidbury, M.I. Pascuet, Martinez, Messina, Miller, Miller, Monnet, Monnet, Monnet, Nishiyama, Osetsky, Plimpton, Rosenberg, Sadhig, Stukowski, Stukowski, Terentyev   +27 more
core   +3 more sources