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Diffusion bonding of gray cast iron and AISI 1040 couple

C. CARBOGA1,*

Affiliation

  1. Nevsehir University, Faculty of Engineering and Architecture, Material Engineering Department, Nevsehir, Turkey

Abstract

In the present study, gray cast iron was diffusion bonded to medium carbon steel. The effect of bonding temperature and holding time at the reached temperature on the microstructural developments across the joint region were investigated. After diffusion bonding, microstructural analysis including metallographic examination, energy dispersive spectrograph (EDS), microhardness measurement and shear strength were investigated. From the results, it was seen that bonding temperature and holding time were effective on the Si and C diffusion from gray cast iron to AISI 1040 steel that affected the microstructure. The microstructure of interface region changed from ferrite to pearlite by increasing temperature and holding time. It was also seen that bonding temperature and holding time were effective on the microstrucure, microhardness and shear strength of the joints..

Keywords

Diffusion bondig, AISI 1040, Gray cast iron.

Citation

C. CARBOGA, Diffusion bonding of gray cast iron and AISI 1040 couple, Optoelectronics and Advanced Materials - Rapid Communications, 8, 3-4, March-April 2014, pp.311-316 (2014).

Submitted at: Aug. 23, 2013

Accepted at: March 13, 2014