Volume 3, Number 3 (Jul 2006)                   IJMSE 2006, 3(3): 9-15 | Back to browse issues page


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ARABI H., DIVANDARI M., HOSSEINI A.H.M.. THE EFFECT OF TI CONTENTS ON THE AMOUNTS OF INCLUSIONS FORMATION AND MECHANICAL PROPERTIES OF C300 HIGH STRENGTH STEEL. IJMSE. 2006; 3 (3) :9-15
URL: http://ijmse.iust.ac.ir/article-1-70-en.html

Abstract:   (8412 Views)
In this research the influence of Ti contents on the amounts of inclusions formation and mechanical properties of a high alloy high strength steel, C300, has been investigated. For this purpose several bars were casted under the same solidification conditions, but different amounts of Ti element. All the seven casted bars were homogenized at 1200°C for a period of 2 hours. Then, they were immediately hot rolled after homogenization so that the out rolling temperature was kept in the range of 1000-1200° C. The specimens were then solution annealed at 820°C for hour and finally they were aged for a period of 3 hours at 500°C. The samples were subjected to tensile, impact and hardness tests in order to relate the variation in volume percent of inclusions due to different amount of Ti, to mechanical properties. The results showed that by increasing the amount of Ti a serious decline in toughness properties of the alloy due to increase in inclusion population occurred. So this research provides a very useful information about the relation between volume fraction of inclusions and mechanical properties of a C300 high strength steel.
     
Type of Study: Research paper | Subject: Ceramics

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