Results 131 to 140 of about 374 (167)

Wear Mechanisms of the Working Surface of Gears after Scuffing Tests. [PDF]

Materials (Basel)
Osuch-Słomka E, Michalczewski R, Mańkowska-Snopczyńska A, Kalbarczyk M, Wieczorek AN, Skołek E.   +5 more
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Investigation of Crack Propagation in Locally Thermal-Treated Cast Iron. [PDF]

Materials (Basel)
Lukoševičienė O, Leonavičius M, Lukoševičius V, Bazaras Ž.   +3 more
europepmc   +1 more source

Development and Implementation of a Defect Detection Model for Microstructures Using Image Processing Methods. [PDF]

Materials (Basel)
Gajoch S, Wilk-Kołodziejczyk D, Marcjan Ł, Corizzo R, Bitka A, Małysza M, Skomin G.   +6 more
europepmc   +1 more source

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Austempering kinetics of Cu-Ni alloyed austempered Ductile Iron

Metals and Materials International, 2014
The aim of the paper was to investigate the effect of austempering parameters (time and temperature) on the microstructure and mechanical properties of ADI alloyed with 1.5% Cu and 1.6% Ni (in wt.%) in order to establish the optimal processing window.
Erić-Cekić, Olivera, Šiđanin, Leposava, Rajnović, Dragan, Baloš, Sebastian   +3 more
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Microstructure evolution of carbidic austempered ductile iron at different austempering temperatures

Journal of Materials Science, 2020
This work aims to elucidate the microstructure characteristics of each phase in carbidic austempered ductile iron and the nucleation and growth of acicular ferrite in an austempering temperature range of 250–450 °C. The research results showed that the carbides (Fe, Cr)3C obtained by the eutectic reaction had high indentation hardness and indentation ...
Yang, Penghui, Fu, Hanguang, Absi, Rafik, Bennacer, Rachid, Darcherif, Moumen, Ma, Shengqiang, Lin, Jian, Guo, Xingye   +7 more
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Tribological behavior of austempered ductile iron (ADI) obtained at different austempering temperatures

Wear, 2020
Abstract The tribological behavior of austempered ductile iron (ADI) obtained at different austempering temperatures is investigated. The microstructure of ADI is consisted of spheroidal graphite, retained austenite and acicular ferrite. The volume fraction of retained austenite and the thickness of acicular ferrite increase with increasing ...
Yuzhou Du, Xiangqian Gao, Xiaolong Wang, Xin Wang, Yanfeng Ge, Bailing Jiang   +5 more
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Austempering and Boro-Austempering Treatments in Gray Cast Iron

Materials Performance and Characterization, 2017
Abstract Austempering heat treatment of gray cast iron can significantly improve its mechanical properties. In addition, increasing its surface hardness by means of thermochemical treatments such as boriding can further extend its range of use.
Mariani, Fabio Edson, Assis, Gustavo Bortoluci, Casteletti, Luiz Carlos, Neto, Amadeu Lombardi, Totten, George Edward   +4 more
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Austempering and Austempered Ductile Iron Microstructure in Copper Alloyed Ductile Iron

Journal of Materials Engineering and Performance, 2003
The variation in the austempered microstructure, the volume fraction of retained austenite, Xλ, the average carbon content of retained austenite, Cλ, their product XλCλ and the size of bainitic ferrite needles with austempering temperature for 0.6% Cu alloyed ductile iron have been investigated for three austempering temperatures of 270, 330, and 380 ...
Uma Batra, S. Ray, S. R. Prabhakar
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Effect of austempering temperature on microstructure of ausferrite in austempered ductile iron

Materials Science and Technology, 2019
The effect of austempering temperature on the microstructure of ausferrite in austempered ductile iron was investigated. The results show that the grain sizes of retained austenite and acicular bainitic ferrite both become larger with the increase of austempering temperature.
Chengduo Wang, Ruizhuo Liu, Songjie Li, Chang Gu, Xueshan Du, Yufu Sun, Junfeng Tian   +6 more
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Dependence of fracture toughness of austempered ductile iron on austempering temperature

Metallurgical and Materials Transactions A, 1998
Ductile cast iron samples were austenitized at 927 °C and subsequently austempered for 30 minutes, 1 hour, and 2 hours at 260 °C, 288 °C, 316 °C, 343 °C, 371 °C, and 399 °C. These were subjected to a plane strain fracture toughness test. Fracture toughness was found to initially increase with austempering temperature, reach a maximum, and then decrease
P. Prasad Rao, Susil K. Putatunda
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