稀土对新型高强韧钻具钢等温相变动力学的影响
희토대신형고강인찬구강등온상변동역학적영향
Effect of rare earth element on isothermal transformation kinetics in new high strength-toughness tool steel
  • 万方数据
    金属热处理 금속열처리
    HEAT TREATMENT OF METALS
    2015年 4期 53-56 ,共4页

    谭起兵%张秀芳%梁益龙%宫娜%王磊

    담기병%장수방%량익룡%궁나%왕뢰

    钻具钢%高强韧%稀土%等温相变动力学 鑽具鋼%高彊韌%稀土%等溫相變動力學
    찬구강%고강인%희토%등온상변동역학
    tool steel%high strength-toughness%rare earth element%isothermal transformation kinetics
    研究了在等温相变过程中稀土对新型高强韧钻具钢相变动力学的影响，建立了试验钢等温条件下贝氏体相变的TTT图。结果表明：稀土增加了试验钢中的相变激活能，使TTT曲线右移和下移，并使试验钢的鼻温由385℃降至350℃。
    연구료재등온상변과정중희토대신형고강인찬구강상변동역학적영향，건립료시험강등온조건하패씨체상변적TTT도。결과표명：희토증가료시험강중적상변격활능，사TTT곡선우이화하이，병사시험강적비온유385℃강지350℃。
    Effect of RE on phase transformation kinetics of new high strength-toughness drilling tool steel during isothermal transformation was investigated, and the TTT diagrams were established. The results show that RE improves the value of phase transformation activation energy. The TTT diagrams are shifted to right and down, and nose temperature of the tested steel is decreased from 385 ℃ to 350 ℃.
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