Al-Ti-Cu体系扩散涂层的结构与性能

IF 0.8 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

Metallurgist Pub Date : 2024-12-17 DOI:10.1007/s11015-024-01846-8

V. G. Shmorgun, O. V. Slautin, V. P. Kulevich, R. E. Novikov

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引用次数: 0

摘要

研究表明，在700 °C， 2 h + 910 °C， 1 h下对爆炸焊接的复合材料M1（铜）+ VT1‑0（钛）+ AD1（铝）进行热处理，其层厚度确保“通过”扩散的发生，可以获得硬度为4-6.5 GPa的铜表面涂层。该复合材料的主要结构成分是基于铜钛（Ti3Cu4, TiCu2, TiCu4）和共晶TiCu2+TiCu4的固溶体，而表层由TiAl3 + CuTi2Al5相和两相层间CuTi2Al5 + Al4Cu9组成。涂层结构无结晶缺陷。与基于金属间化合物βTiCu4和TiCu2的二元涂层相比，其耐磨性提高了1.5倍。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Structure and properties of the Al–Ti–Cu system diffusion coatings

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Structure and properties of the Al–Ti–Cu system diffusion coatings

It has been shown that heat treatment at 700 °C for 2 h + 910 °C for 1 h of an explosively welded composite M1 (copper) + VT1‑0 (titanium) + AD1 (aluminum) with layer thicknesses that ensure the occurrence of a “through” diffusion makes it possible to obtain a copper surface coating having a hardness of 4–6.5 GPa. The main structural components of such composite are solid solutions based on titanium cuprides (Ti₃Cu₄, TiCu₂, TiCu₄) and eutectics TiCu₂+TiCu₄, while the surface layer consists of a mixture of TiAl₃ + CuTi₂Al₅ phases and a two-phase interlayer CuTi₂Al₅ + Al₄Cu₉. The coating structure is free from crystallization defects. In comparison with binary coatings based on intermetallic compounds βTiCu₄ and TiCu₂, its wear resistance is 1.5 times higher.

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来源期刊

Metallurgist 工程技术-冶金工程

CiteScore

1.50

自引率

44.40%

发文量

151

审稿时长

4-8 weeks

期刊介绍： Metallurgist is the leading Russian journal in metallurgy. Publication started in 1956. Basic topics covered include: State of the art and development of enterprises in ferrous and nonferrous metallurgy and mining; Metallurgy of ferrous, nonferrous, rare, and precious metals; Metallurgical equipment; Automation and control; Protection of labor; Protection of the environment; Resources and energy saving; Quality and certification; History of metallurgy; Inventions (patents).