Comparison of Wear Behavior of a Ductile Iron in Austempered and Quenched-Tempered Conditions

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Saghafian Larijani Hassan; Navaie Soheil; SHARIFI ALI

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Journal: FOUNDING RESEARCH JOURNAL Year:2019 | Volume:3 | Issue:3 Page(s): 141-150

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Information Journal Paper

Title

Comparison of Wear Behavior of a Ductile Iron in Austempered and Quenched-Tempered Conditions

Author(s)

Saghafian Larijani Hassan | Navaie Soheil | SHARIFI ALI | Issue Writer Certificate

Keywords

Ductile cast iron

Austempering

Quench and temper

Heat treatment

Wear

Abstract

In this study, Wear behavior of the pearlitic Ductile cast iron samples with the same hardness achieved by applying two different Heat treatment cycles have been studied. A number of these samples after austenitzing at 900° C were quenched into a molten salt bath of 290° C for holding time of 120 minutes followed by cooling in air. The rest of the samples after being austenitized under the same conditions were quenched in oil and then were tempered in 505° C for 75 minutes. To compare Wear behavior of the aforementioned cast irons, the “ pin on the disk” method based on the ASTM-G99 standard was used. In this method, the samples were prepared in the form of disks and were worn by 52100 steel pins for a constant distance of 1000 meters and the sliding speed of 0. 08 m/s at the applied loads of 25 N and 75 N. Based on the results obtained from the Wear surface observations, mass reduction and friction coefficient measurements of the worn samples, it was revealed that at the lower applied load, the quenched and then tempered samples exhibited a higher Wear resistance comparing to the austempered samples. Whereas at the higher applied load (75 N) the inverse result was achieved.

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APA: Copy

Saghafian Larijani, Hassan, Navaie, Soheil, & SHARIFI, ALI. (2019). Comparison of Wear Behavior of a Ductile Iron in Austempered and Quenched-Tempered Conditions. FOUNDING RESEARCH JOURNAL, 3(3 ), 141-150. SID. https://sid.ir/paper/265683/en

Vancouver: Copy

Saghafian Larijani Hassan, Navaie Soheil, SHARIFI ALI. Comparison of Wear Behavior of a Ductile Iron in Austempered and Quenched-Tempered Conditions. FOUNDING RESEARCH JOURNAL[Internet]. 2019;3(3 ):141-150. Available from: https://sid.ir/paper/265683/en

IEEE: Copy

Hassan Saghafian Larijani, Soheil Navaie, and ALI SHARIFI, “Comparison of Wear Behavior of a Ductile Iron in Austempered and Quenched-Tempered Conditions,” FOUNDING RESEARCH JOURNAL, vol. 3, no. 3 , pp. 141–150, 2019, [Online]. Available: https://sid.ir/paper/265683/en

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