Results 31 to 40 of about 4,479,146 (391)

Connected Process Design for Hot Working of a Creep-Resistant Mg–4Al–2Ba–2Ca Alloy (ABaX422)

Metals, 2018
With a view to design connected processing steps for the manufacturing of components, the hot working behavior of the ABaX422 alloy has been characterized for the as-cast and extruded conditions.
Kamineni Pitcheswara Rao, Dharmendra Chalasani, Kalidass Suresh, Yellapregada Venkata Rama Krishna Prasad, Hajo Dieringa, Norbert Hort   +5 more
doaj   +1 more source

Physical-based constitutive model considering the microstructure evolution during hot working of AZ80 magnesium alloy

Advances in Manufacturing, 2019
A physical-based constitutive model was developed to model the viscoplastic flow behavior and microstructure evolution of AZ80 magnesium alloy during the hot working process.
Z. Su, Chaoyang Sun, M. Fu, L. Qian
semanticscholar   +1 more source

Grain Boundary Assemblies in Dynamically-Recrystallized Austenitic Stainless Steel

Metals, 2016
The grain boundary misorientation distributions associated with the development of dynamic recrystallization were studied in a high-nitrogen austenitic stainless steel subjected to hot working. Under conditions of discontinuous dynamic recrystallization,
Marina Tikhonova, Pavel Dolzhenko, Rustam Kaibyshev, Andrey Belyakov   +3 more
doaj   +1 more source

Enhancement of Strength and Hot Workability of AZX312 Magnesium Alloy by Disintegrated Melt Deposition (DMD) Processing in Contrast to Permanent Mold Casting

Metals, 2018
AZX312 (AZ31-2Ca) magnesium alloy, with starting conditions of as-cast (AC), cast-homogenized (CH), and disintegrated melt deposition (DMD), is examined in terms of its compressive strength and hot working behavior to establish the relative merits and ...
Kamineni Pitcheswara Rao, Kalidass Suresh, Yellapregada Venkata Rama Krishna Prasad, Norbert Hort, Manoj Gupta   +4 more
doaj   +1 more source

Dynamic Recrystallization and Hot-Working Characteristics of Ni-Based Alloy with Different Tungsten Content

Metals, 2019
The hot deformation behavior of the GY200 Ni-based alloys with different tungsten (W) content were investigated by means of hot compression tests, microscopic observations, and processing maps at temperatures between 950 °C and 1200 °C, strain rate ...
Z. Gong, Hansheng Bao, Gang Yang
semanticscholar   +1 more source

New Insights into the Ingot Breakdown Mechanism of Near-β Titanium Alloy: An Orientation-Driven Perspective

Metals
The ingot breakdown behavior of a typical near-β titanium alloy, Ti-55511, was investigated by various multi-pass upsetting processes. Particular emphasis was placed on the breakdown mechanism of the ultra-large β grains.
Xianghong Liu, Tao Wang, Xiaolong Ren, Jie Fu, Liang Cheng, Bin Zhu, Kaixuan Wang   +6 more
doaj   +1 more source

A self-contained quantum harmonic engine [PDF]

, 2017
We propose a system made of three quantum harmonic oscillators as a compact quantum engine for producing mechanical work. The three oscillators play respectively the role of the hot bath, the working medium and the cold bath.
Antezza, Mauro, De Chiara, Gabriele, Pigeon, Simon, Reid, Brendan   +3 more
core   +3 more sources

Hot working behavior of hot-extruded Ni-Co-Cr-based powder metallurgy superalloy

Cailiao gongcheng, 2020
Isothermal compression tests were carried out on a Gleeble-3500D thermal simulation machine. The hot compression deformation behavior of a new hot-extruded Ni-Co-Cr-based powder metallurgy(P/M) superalloy at the temperatures from 1020℃ to 1110℃ with the ...
LI Hui-zhong, YANG Lei, WANG Yan, TAN Gang, HUANG Zheng-qin, LIU Min-xue   +5 more
doaj   +1 more source

Corrosion resistance mechanism of postmortem corundum-mullite refractories used in hot stoves

Journal of Asian Ceramic Societies, 2022
Alkali attack of aluminosilicate refractories has been a long-term problem in the industry. In this paper, XRD, SEM, and CT scanning methods were used to analyze the phase and structure characteristics of postmortem corundum-mullite refractory used in ...
Xiu-Hua Zhang, Yong Li, Zhi-Hong Tian, Yang Sun, Chen-Hong Ma, Qing-Yao Zheng   +5 more
doaj   +1 more source

Performance analysis and working fluid selection for geothermal energy-powered organic Rankine-vapor compression air conditioning [PDF]

, 2013
BackgroundTo utilize geothermal energy from hot springs, an organic Rankine cycle/vapor compression cycle (ORC/VCC) system was employed for air conditioning and a thermodynamic model was developed.MethodsSix working fluids, R123, R134a, R245fa, R600a ...
Bu,Xianbiao, Li,Huashan, Wang,Lingbao
core   +1 more source