A high-entropy intermetallic compound with high strength and wide temperature range wear resistance

An intermetallic compound, wide temperature range technology, applied in the field of high-strength wear-resistant alloy materials, can solve the problems of room temperature yield strength difficult to break 1.5GPa, brittle intermetallic phase precipitation in large quantities, wear resistance difficult to maintain and other problems, to achieve good High temperature softening resistance, enlarged lattice distortion effect, high performance reliability effect
CN113774265BActive Publication Date: 2022-02-18LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Publication Date
2022-02-18

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Abstract

The invention relates to a high-entropy intermetallic compound with high strength and wide temperature range wear resistance. The chemical composition of the high-entropy intermetallic compound is Ni 1‑x (Al 1 / 3 Nb 1 / 3 Ti 1 / 3 ) x 、Ni 1‑x (Al 1 / 3 V 1 / 3 Ti 1 / 3 ) x or Ni 1‑x (Al 1 / 4 Nb 1 / 4 Ti 1 / 4 V 1 / 4 ) x Any one of them, where x=0.25~0.5, and the proportion of each element is calculated by atomic percentage. The invention not only has high strength and high hardness, but also exhibits good resistance to high temperature softening and wear resistance in a wide temperature range, and at the same time, the preparation process is simple and the performance reliability is high. It has important application prospects in the wear resistance of key systems in new energy and other fields.
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Description

technical field

[0001] The invention relates to the technical field of high-strength wear-resistant alloy materials, in particular to a high-entropy intermetallic compound with high strength and wide-temperature-range wear-resistant properties. Background technique

[0002] Materials are the material basis for the rapid development of future technology and manufacturing. Exploring new high-performance materials and their design concepts is the eternal goal of the development of materials science. At present, the development of high-end equipment presents the characteristics of "complex service environment, extreme working conditions, extreme core indicators, and functional requirements for performance". The lack of wear-resistant materials and technological development in my country and the lack of high-performance materials have become a key technical bottleneck restricting the development of high-end equipment. Due to their excellent specific strength and thermal stabilit...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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