Results 61 to 70 of about 374 (167)

Mechanical characterization and optimization of heat treatment parameters of manganese alloyed austempered ductile iron

Journal of Mechanical Engineering and Sciences, 2019
Austempered Ductile Iron (ADI) belongs to the family of cast irons whose mechanical properties are altered using austempering heat treatment process. The objective of this paper is to study the effects of heat treatment parameters on manganese alloyed ...
Ananda Hegde, Sathyashankara Sharma, Ramakrishna Vikas Sadanand   +2 more
doaj   +1 more source

Near-Ms Austempering of Carbide-Free Bainitic Steel: Effects on Phase Transformation, Microstructure and Mechanical Properties

Crystals
The parameters of the austempering process play a crucial role in governing the microstructure and mechanical properties of carbide-free bainitic (CFB) steel.
Haoqing Zheng, Zhixiang Liu, Hua Fan, Xiao Hu, Guanqiao Su, Yang Jin, Hongwei Wang, Tao Xie, Xuefei Huang   +8 more
doaj   +1 more source

Effect of austempering temperature on the microstructure and wear resistance of ultrafine bainitic steel

工程科学学报, 2018
Ultrafine bainitic steels, which are derived from nanostructured carbide-free bainitic steels, exhibit a remarkable combination of ultra-high strength and toughness together with excellent wear resistance. Their excellent integrated mechanical properties
ZHANG Chao, GUO Hui, WANG Jia-xing, ZHANG Bing, ZHAO Ai-min   +4 more
doaj   +1 more source

Influence Of Composition And Austempering Temperature On Machinability Of Austempered Ductile Iron

, 2014
Present investigations involve a systematic study on the machinability of austempered ductile irons (ADI) developed from four commercially viable ductile irons alloyed with different contents of 0, 0.1, 0.3 and 0.6 wt.% of Ni. The influence of Ni content, amount of retained austenite and hardness of ADI on machining behavior has been conducted ...
Datt, Jagmohan, Batra, Uma
openaire   +1 more source

Predicted hardness of Austempered Vermicular Graphite Iron [PDF]

Archives of Foundry Engineering
The aim of this study was to determine the hardness of vermicular cast iron subjected to austempering, depending on the parameters of the heat treatment process. The heat treatment was conducted based on orthogonal experimental design, with a total of 27
A. Jakubus, M.S. Soiński, P. Mierzwa
doaj   +1 more source

Effects of two-step austempering processes on the wear resistance and fatigue lifetime of high-carbon nanostructured bainitic steel

Journal of Materials Research and Technology
The previous research on two-step austempering processes have been mainly focused on the bainitic transformation kinetics, with few details the relationships between the parameters of two-step austempering process and the wear properties and fatigue ...
Dongyun Sun, Xiaoyong Feng, Peng Zhang, Xiaowen Sun, Zhinan Yang, Xiaoyan Long, Fucheng Zhang   +6 more
doaj   +1 more source

Austempered Ductile Iron (ADI): Influence of Austempering Temperature on Microstructure, Mechanical and Wear Properties and Energy Consumption

Metals, 2018
Alloyed Ductile iron, austenitized at 840 °C for 30 min in a special sealed austempering furnace, was austempered for 30 min in molten salt mixture at 4 trial temperatures of 300 °C, 320 °C, 340 °C and 360 °C. Tensile strength, yield strength, percentage
Prabhukumar Sellamuthu, D. G. Harris Samuel, D. Dinakaran, V. P. Premkumar, Zushu Li, Sridhar Seetharaman   +5 more
doaj   +1 more source

Shot Peening of Austempered Ductile Iron [PDF]

, 2018
peer ...
openaire   +3 more sources

Ultra-high strength and high ductility 60Si2CrVNb spring steel with multiphase microstructure controlled by austempering

Journal of Materials Research and Technology
In this study, a series of austempering treatments were carried out on the designed novel 60Si2CrVNb spring steel and the effects of different austempering temperatures on the microstructure and mechanical properties of the steel were studied.
Yunchao Li, Engang Wang, Lin Zhang, Xue Zhao, Rui Gao, Wenna Zhu   +5 more
doaj   +1 more source

Influence of heat treatment time on microstructure evolution of austempered nodular cast iron evaluated by image segmentation

Journal of Alloys and Metallurgical Systems
This study aimed to investigate the microstructural characteristics of a pearlitic austempered nodular cast iron (ADI) prepared with different austempering times.
P.A. Ramos, I.N.R. Melo, V.H.M Medeiros, P.P. Brito   +3 more
doaj   +1 more source