Results 1 to 10 of about 333 (116)

Effect of Austempering Temperature on Microstructure and Mechanical Properties of M50 Bearing Steel

Journal of Materials Research and Technology, 2022
By means of microstructure observation and mechanical property tests, the effect of austempering temperature on the bainite transformation, carbide precipitation, and the hardness, impact toughness of M50 bearing steel were studied.
Y. Su, S. Yang, X.F. Yu, C.B. Zhou, Y.B. Liu, X.C. Feng, Q. Zhao, J.D. Wu   +7 more
exaly   +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.
Engang Wang, Yunchao Li
exaly   +3 more sources

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, Zhinan Yang   +2 more
exaly   +3 more sources

Nodule count effect on microstructure and mechanical properties of hypo-eutectic ADI alloyed with nickel [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy, 2021
Samples of ductile iron alloyed with 0.88 % Ni with a nodule count of 606, 523, and 290 nod/mm2 were obtained from sand cast plates of different thickness in the range from 8.46 to 25.4 mm.
Colin-García E., Cruz-Ramírez A., Romero-Serrano J.A., Sánchez-Alvarado R.G., Gutiérrez-Pérez V.H., Reyes-Castellanos G.   +5 more
doaj   +1 more source

Enhancement of Balance in Strength, Ductility, and Stretch Flangeability by Two-Step Austempering in a 1000 MPa Grade Cold Rolled Bainitic Steel

Metals, 2021
The microstructural evolution and properties for varied austempering routes are investigated in a cold-rolled bainitic steel. Special attention is given to the effect of retained austenite (RA) in terms of its fraction, carbon concentration, and ...
Shuai Tang, Huifang Lan, Zhenyu Liu, Guodong Wang   +3 more
doaj   +1 more source

Austempering in Zamak bath: influence of austempering time and austenitizing temperatureon ductile cast iron properties [PDF]

Archives of Metallurgy and Materials, 2019
The combination of the austempered ductile iron mechanical properties strongly depend on the parameters used on the austempering cycle. On this study, the influence of austempering time and austenitizing temperature on the properties of a ductile iron ...
L. Pereira, M.R. Bellé, L.F. Seibel Júnior, W.M. Pasini, R.F. Do Amaral, V. Karlinski de Barcellos   +5 more
doaj   +1 more source

Statistical Data-Driven Model for Hardness Prediction in Austempered Ductile Irons

Metals, 2022
This research evaluates the effect of temperature and time austempering on microstructural characteristics and hardness of ductile iron, validating the results by means of a statistical method for hardness prediction.
Nelly Abigaíl Rodríguez-Rosales, Félix Alan Montes-González, Oziel Gómez-Casas, Josué Gómez-Casas, Jesús Salvador Galindo-Valdés, Juan Carlos Ortiz-Cuellar, Jesús Fernando Martínez-Villafañe, Daniel García-Navarro, Carlos Rodrigo Muñiz-Valdez   +8 more
doaj   +1 more source

Microstructure and mechanical properties of two-step Cu-alloyed ADI treated by different second step austempering temperatures and times [PDF]

China Foundry, 2019
Austempering ductile iron (ADI) is an attractive material due to its excellent comprehensive mechanical properties. However, the deficit in elongation and toughness always threatens its security application.
Peng-yue Yi, Er-jun Guo, Li-ping Wang
doaj   +1 more source

PENGARUH TEMPERATUR AUSTEMPERING TERHADAP SIFAT MEKANIK DAN STRUKTUR MIKRO BESI COR KELABU DENGAN NIKEL 10% UNTUK KOMPONEN BOILER PLTU

Rekayasa Mesin, 2023
Effect of austempering temperature on microstructure and mechanical properties gray cast iron with 10%wt nickel for boiler combustion application has been studied.
Fikri Widyansyah, Efendi Mabruri, Alfirano Alfirano   +2 more
doaj   +1 more source

Microstructure and mechanical properties of CuNiMo austempered ductile iron [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy, 2004
Microstructure and mechanical properties of Cu, Ni and Mo alloyed cast ductile iron have been investigated after austempering. Samples were austenitised at 860oC for 1h and then austempered at 320oC and 400oC in the interval from 0,5 to 5h.
Erić Olivera, Jovanović Marina P., Šiđanin Leposava P., Rajnović Dragan M.   +3 more
doaj   +1 more source