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2013 (Vol. 5, Issue: 04)
Article Information:

Surface Modification of Commercially Pure Titanium by Plasma Nitrocarburizing at Different Temperatures and Duration Process

Agung Setyo Darmawan, Waluyo Adi Siswanto and Tjipto Sujitno
Corresponding Author:  Agung Setyo Darmawan 

Key words:  Biomechanics, diffusion, hardness, surface hardening, vickers, ,
Vol. 5 , (04): 1351-1357
Submitted Accepted Published
July 05, 2012 July 31, 2012 February 01, 2013
Abstract:

One of potential metals to be used in biomechanical applications is the commercially pure (cp) titanium. This material requires a process to improve the mechanical properties of the surface, because it is relatively soft. The purpose of this study is to determine the effect of plasma nitro carburizing process to cp titanium surface hardness. In this study, cp titanium plasma nitro carburizing process is conducted at different temperatures, i.e., at 350C for 3, 4, and 5 h, and at 450C for 2, 3, and 4 h, respectively. Hardness tests are then performed on each specimen. The depth of penetration in the hardness test is also recorded; the microstructure captures are also taken using an optical microscope. The results show that the longer processing time, the higher the hardness value. In higher temperature, the hardness values correspond to the increasing temperature. In terms of the depth direction, there is a reduction in hardness value compared to the raw material.
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  Cite this Reference:
Agung Setyo Darmawan, Waluyo Adi Siswanto and Tjipto Sujitno, 2013. Surface Modification of Commercially Pure Titanium by Plasma Nitrocarburizing at Different Temperatures and Duration Process.  Research Journal of Applied Sciences, Engineering and Technology, 5(04): 1351-1357.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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