Norhaida, Ab Razak and Md Mustafizur, Rahman and Kadirgama, Kumaran (2014) Experimental study on surface integrity in end milling of hastelloy c-2000 superalloy. International Journal of Automotive and Mechanical Engineering (IJAME), 9 (1). pp. 1578-1587. ISSN 1985-9325(Print); 2180-1606 (Online). (Published)
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Abstract
This paper presents an experimental study of surface integrity in end milling of Hastelloy C-2000. The experiment was carried out using two different cutting inserts under wet conditions – namely physical vapor deposition coated carbide with TiAlN and uncoated carbide. Design of experiment was implemented with a Box-Behnken design. The surface integrity of the workpiece was analyzed through scanning electron microscopy (SEM) and chemical element changes were inspected by an energy dispersive X-ray (EDX) test. The surface integrity of Hastelloy C-2000 was better when machining with coated carbide compared to uncoated carbide cutting inserts, mainly because the coating layer of coated carbide acted as a protecting layer to the cutting tool insert. Surface defects such as feed marks, surface tearing, plucking, cracking and adhered chips were found during the machining process. The chemical element changes happened due to the adhesion and diffusion mechanisms which were identified using SEM and EDX.
| Item Type: | Article |
|---|---|
| Additional Information: | Indexed by Scopus |
| Uncontrolled Keywords: | Adhesion wear; Coated carbide; Diffusion wear; End mill; Nickel based superalloy; Uncoated carbide |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Faculty/Division: | Faculty of Mechanical Engineering |
| Depositing User: | Professor Dr. Md. Mustafizur Rahman |
| Date Deposited: | 12 Jan 2015 02:03 |
| Last Modified: | 22 Aug 2023 02:04 |
| URI: | http://umpir.ump.edu.my/id/eprint/8175 |
| Download Statistic: | View Download Statistics |
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