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Effect of Silicon and Manganese on Mechanical Properties of Low-Carbon Plain TRIP Steel |
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| Authors: | LI Zhuang WU Di HU Rong |
| Affiliation: | 1. Northeastern University, Shenyang 110004, China;Institute of Aeronautical Engineering, Shenyang 110034, China 2. Northeastern University, Shenyang 110004, China 3. Jiangxi Normal University, Nanchang 330027, China |
| Abstract: | A great deal of stabilized retained austenite can be obtained by means of austempering immediately after intercritical annealing in the low-carbon plain steel sheets which only contain alloying elements of silicon and manganese. Transformation from retained austenite to martensite may be induced by strain at a temperature ranging from 50 ℃ to 400 ℃ during tension testing. Transformation-induced plasticity (TRIP) may occur. Alloying of silicon improves the stability of retained austenite. Mechanical properties of the present TRIP steels containing manganese increase with increasing silicon amount when the amount of silicon is less than two percent. |
| Keywords: | austempering intercritical annealing retained austenite strain-induced martensite transformation transformation-induced plasticity (TRIP) mechanical property |
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