Sangmoo Yoon and Guneik Jang*
Department of Materials Engineering, Chungbuk National University
This article is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
						
						
						
												 
					
This Article2021; 22(1): 114-120
Published on Feb 28, 2021
Correspondence toDepartment of Materials Engineering, Chungbuk National University
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