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Research on Retained Austenite for Advanced Aluminum-containing Hot-rolled TRIP Steel 被引量:2

Research on Retained Austenite for Advanced Aluminum-containing Hot-rolled TRIP Steel
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摘要 A new type of hot-rolled transformation induced plasticity (TRIP) steel with 2.3%AI was developed to replace conventional Si-bearing TRIP steel to improve surface quality of the steel sheet. The relationship between retained austenite volume fraction and hot-rolling processing was researched by Gleeble-2000 thermo-dynamic test for the Al-bearing steel. The experimental result showed that aluminum played an important role on retaining austenite and the volume fraction increased from 4.4% to 7.5% as coiling temperature increased from 350℃ to 450℃, while coiling temperature had a stronger effect on retaining austenite than finishing rolling temoerature. A new type of hot-rolled transformation induced plasticity (TRIP) steel with 2.3%AI was developed to replace conventional Si-bearing TRIP steel to improve surface quality of the steel sheet. The relationship between retained austenite volume fraction and hot-rolling processing was researched by Gleeble-2000 thermo-dynamic test for the Al-bearing steel. The experimental result showed that aluminum played an important role on retaining austenite and the volume fraction increased from 4.4% to 7.5% as coiling temperature increased from 350℃ to 450℃, while coiling temperature had a stronger effect on retaining austenite than finishing rolling temoerature.
出处 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2005年第6期813-816,共4页 材料科学技术(英文版)
关键词 ALUMINUM Retained austenlte (RA) Coiling temperature (CT) HOT-ROLLING Aluminum Retained austenlte (RA) Coiling temperature (CT) Hot-rolling
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