Compared to the normal wire drawing technology in room temperature, the cryogenic wire drawing technology showed remarkable effect: tensile strength was improved nearly 400 MPa, micro vickers hardness was enhanced 74 HV 4.9N, in the meanwhile, toughness was almost changeless.

  • 研究表明,在相同的拉丝条件下,与常温工艺相比,深冷工艺能大幅度提高钢丝的综合力学性能。抗拉强度进一步提高近400MPa,显微硬度进一步提高74HV4.9N,而抗扭次数及伸长率基本不变。

  • 互联网摘选 2025-01-20 13:03:34

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句