Abstract
Deep cryogenic (subzero) treatment (DCT) influence on the mechanical properties of bimetals used in the crushing industry has been examined and analyzed in the current study. Examinations include annealing at 800°C, DCT, tempering at 250°C, charpy impact test, optic microscope (OM) images analysis, scanning electron microscope (SEM) images analysis, X-RAY images analysis and hardness measurement as Rockwell C. Bimetals (2 set each, 1 set is 5 sample) are put to annealing at 800°C for 5 hours, then DCT is executed at -180°C for 24 hours. Tempering is followed out out at 250°C for 3 hours for 1 set. The impact toughness rates after DCT/Tempering and after DCT are found with the help of charpy impact tests. Hardness rates and metallography of test pieces are examined and compared. Noteworthy hardness and toughness rates are observed after DCT. It was also observed that after DCT/Tempering, hardness is reduced, but impact energy/toughness is increased. A clean microstructure has been observed after DCT in OMs and SEMs. X-RAY analysis also reveals a pure and clean chemical composition.
Keywords
subzero (deep) cryogenci treatment bimetal hardness impact toughness test high alloy cast iron low alloy steel
References
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Abstract
References
- 1. Zic, S., Dzambas, I., and Ikonic M., Possibilities of Implementing Bimetallic Hammer Castings in Crushing Industries, Metalurgija, 2009, 48(1), p 51–54.
- 2. Xiaofeng, X., Shengping, Y., Xiaoguang, Z. and Qiong, X., High Cr White Cast Iron/Carbon Steel Bimetal Liner by Lost Foam Casting with Liquid-liquid Composite Process, China Foundry, 2012, 9(2), p 136–142.
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- 4. Marukovich, E., Branovitsky, A., Na, Y., Lee J., Choi, K., Study on the possibility of continuous-casting of bimetallic components in condition of direct connection of metals in a liquid state, 2006, Mater. Des. 27(10), 1016–1026.
- 5. Heijkoop, T., Sare, I., Cast-bonding—a new process for manufacturing composite wear products, 1989, Cast Metals 2(3), 160–168.
- 6. Wrobel, T., Ni and Cr base layers in bimetallic castings. In: METAL, 2011, 20th Anniversary International Conference on Metallurgy and Materials, May 18–20, (Brno, Czech Republic), Tanger, pp. 758–764.
- 7. Wrobel, T., Characterization of bimetallic castings with an austenitic working surface layer and an unalloyed cast steel base, J. Mater. Eng. Perform, 2014, 23, 1711–1717.
- 8. ASM Handbook Volume 4, Heat Treating ASM Handbook, Volume 4A, Steel Heat Treating Fundamentals and Processes. ASM International pp. 382–386. ISBN 978-1-62708-011-8, 2013.
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- 13. Özdemir, Z., Shallow cryogenic treatment (SCT) effects on the mechanical properties of high Cr cast iron – low-carbon cast steel bimetallic casting, Int. J. Metalcast. 2020,
- 14. Adin M.Ş., Okumuş M., Investigation of Microstructural and Mechanical Properties of Dissimilar Metal Weld Between AISI 420 and AISI 1018 Steels, Arabian Journal for Science and Engineering, 2022, 47:8341–8350.
- 15. Adin, M.Ş., Performances of cryo-treated and untreated cutting tools in machining of AA7075 aerospace aluminium alloy, European Mechanical Science, 2023, 7(2): 70-81.
- 16. Adin, M.Ş., A parametric study on the mechanical properties of MIG and TIG welded dissimilar steel joints, Journal of Adhesion Science and Technology, 2023
- 17. DIN EN 12513:2001, Abrasion Resistant Cast Irons, English Version Of DIN EN 12513 (Foreign Standard) 2001.
- 18. ASTM A27M, Standard Specification For Steel Castings, Carbon, For General Application, 2006.
- 19. ASTM E18-02, Standard Test Methods for Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materials, 2004.
- 20. ASTM E23-02, Standart Test Methods For Notched Bar Impact Testing Of Metallic Materials, 1982.
- 21. Totten, G.H., Steel Heat Treatment Metallurgy and Technologies, Second Edition, Portland State University Of Portland, 2006, 148-150.
- 22. Jawahir, I.S. and Colleagues, Cryogenic Manufacturing Processes, 2016, CIRP Annals Manufacturing Technology,
Details
| Primary Language | English |
|---|---|
| Subjects | Material Design and Behaviors |
| Journal Section | Articles |
| Authors | |
| Early Pub Date | September 30, 2023 |
| Publication Date | December 31, 2023 |
| Acceptance Date | September 6, 2023 |
| Published in Issue | Year 2023 Volume: 6 Issue: 2 |
