High-entropy alloy coating, preparation method and application thereof and die steel

• Main Authors: LIAN WUXIANG, HU WEIQIANG, ZHOU FENG, LI HAIXIN, LYU WENQUAN, CHEN ZHICHAO, RONG YU, ZHANG YUANHANG, HU HAILONG
• Format: Patent
• Language: Chinese; English
• Published: 23.08.2024
• Subjects: ALLOYS; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; FERROUS OR NON-FERROUS ALLOYS; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The invention belongs to the technical field of laser surface modification, and particularly relates to a high-entropy alloy coating, a preparation method and application thereof and die steel. By reducing the content of the Fe element in the original high-entropy alloy powder, the effect of reducing the influence caused by the laser cladding dilution effect is achieved, then the coating performance is improved, the use performance of the die steel is improved, and the service life of the die steel is prolonged. The result of the embodiment shows that the hardness of the prepared high-entropy alloy coating reaches 809HV0.2, and under the condition that the load is 100N, the abrasion loss of the high-entropy alloy coating is 1.3 * 10 < 8 > mu m < 3 >. 本发明属于激光表面改性技术领域，具体涉及一种高熵合金涂层及其制备方法和应用、一种模具钢。本发明通过降低原始高熵合金粉末中Fe元素的含量，达到降低激光熔覆稀释作用所带来的影响的效果，进而提升涂层性能，提高模具钢的使用性能，延长其使用寿命。实施例结果表明，本发明制备得到的高熵合金涂层的硬度达到了809HV0.2，在载荷100N的情况下，高熵合金涂层的磨损量为1.3×108μm3。