합금원소가 철강 영률에 미치는 영향
- Title
- 합금원소가 철강 영률에 미치는 영향
- Authors
- 황지현
- Date Issued
- 2020
- Publisher
- 포항공과대학교
- Abstract
- The demand to increase the efficiency and performance of structural members motivates the development of innovative structural materials for various applications. An increase in elastic modulus can also decrease the thickness of material and thus provides significant weight saving in various application along with a prevention of buckling in structural components. Therefore, understanding the microstructural and physical effects on elastic modulus is the most important to develop high modulus materials. This paper focused on microstructural influences on elastic modulus of steels. Preliminary research was performed to determine the effect of Al2O3 particles on elastic modulus of aluminum metal matrix composite (Al MMC). For main subject, carbon, which is the most important alloying element in steels, is selected to investigate its effect on elastic modulus of steels after various thermal mechanical treatment. Other alloying elements (W, Cr, Ti, and Nb) that form the particles having a higher elastic modulus than steels are selected as well to investigate their effects on elastic modulus of steels after solid solution and aging treatment.
- URI
- http://postech.dcollection.net/common/orgView/200000335718
https://oasis.postech.ac.kr/handle/2014.oak/112081
- Article Type
- Thesis
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