Ferrite-Martensite Dual Phase Treatment of AISI 1040 Steel and Mechanical Characterization

Abstract:

The present work is focused on the characteristics of dual phase (Ferrite-Martensite) medium carbon steel (AISI1040) austenized at different inter critical temperatures (750,770, and 790°C). AISI1040 is plain carbon steel with moderate strength and hardness. The machinability of the steel depends upon the balanced properties obtained by preferential control of phases (wt. % and type) by altering the room temperature structure. In this view, the dual phase is obtained by varying wt. % of ferrite and martensite structure in the steel and then subjected to bulk mechanical property (tensile, hardness, impact resistance and microstructure) analysis. As bought steel is subjected to normalizing treatment which is taken as datum for analysis. The dual phase structure obtained is then tempered to enhance the balanced properties. It was observed that hardness and tensile strength increases with low temperature tempering (260°C) compared to high temperature tempering (425°C) and impact resistance is excellent in high tempering temperature.

• Periodical: Key Engineering Materials (Volume 748)
• Pages: 280-283
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.748.280
• Online since: August 2017
• Authors: B.M. Gurumurthy*, Sathyashankara Sharma, U. Achutha Kini
• Keywords: Austenitise, Ferrite, Martensite

References

[1] S. Jyothirmai, I.A. Devi, Sudhakar, R, Ramesh, Hardness prediction model for en grade steels subjected to different heat treatment processes, Advanced Materials Manufacturing and Characterization. 4 (2014) 1–5.

DOI: 10.11127/ijammc.2014.08.05

[2] E. Vasudevan, P. Palanichamy, S. Venkadesan, A novel technique for characterizing annealing behavior, Scripta Metallurgica et Materialia. 30 (1994) 1479–1483.

DOI: 10.1016/0956-716x(94)90249-6

[3] B.M. Gurumurthy, S.S. Sharma, M.C. Gowri Shankar, Romit Walia and Tanishq Agarwal Study on Dual-Phase Structure of AISI4140 Steel, Indian Journal of Science and Technology. 9 (2016) 1-6.

DOI: 10.17485/ijst/2016/v9i33/93526

[4] A. Abid, H. Najmul, A. Al-Rub, K. Rashid, P. Palazotto, N. Anthony, Computational modeling of the effect of equiaxed heterogeneous microstructures on strength and ductility of dual phase steels, Computational Material Science Elsevier. 103 (2015).

DOI: 10.1016/j.commatsci.2015.02.051

[5] E. Ahmed, R. Priestner, Effect of rolling in the intercritical region on the tensile properties of dual phase steel, Journal of Materials Engineering Performance. 6 (1998) 772–776.

DOI: 10.1361/105994998770347341

[6] Yan-qiu Zia, Wei-min Liu & Qun-Ji Xue, Comparative study of the tribological properties of various modified mild steels under boundary lubrication condition, Journal of Wear. 38 (2005) 508-514.

DOI: 10.1016/j.triboint.2004.10.005

[7] M. Sarwar, E. Ahmad, K.A. Qureshi, Manzoor, Influence of epitaxial ferrite on tensile properties of dual phase steel, Materials Design. 28 (2007) 335–340.

DOI: 10.1016/j.matdes.2005.05.019

[8] S.H. M, Anijdan, H. Vahdani, Room-temperature mechanical properties of dualphase steels deformed at high temperatures, Materials Letter. 59 (2005) 1828–1830.

DOI: 10.1016/j.matlet.2004.08.046

[9] S. Gunduz, B. Demir, R. Kacar, Effect of aging temperature and martensite by volume on strain aging behaviour of dual phase steel, Iron making and Steel making. 35 (2008) 63–68.

DOI: 10.1179/174328107x203949

[10] W. Chuaiphan, L. Srijaroenpramong, D. Pinpradub The effects of heat treatment on microstructure and mechani¬cal properties of aisi 4140 for base cutter cane harvester, Advanced Materials Research. 6 (2013) 1059–1067.

DOI: 10.4028/www.scientific.net/amr.774-776.1059