Abstract: With the rapid development of aeronautics, astronautics, electronic communications, manufacturing and other industries, the application of magnetic materials has become increasingly widespread, and the demand for the production of magnetic materials is also increasing. In order to ensure the surface quality and dimensional accuracy of the workpiece, it is usually required that the mold be a non-magnetic material in the production process of magnetic materials. In addition, in the field of electronic communications, in order to reduce the energy loss caused by the eddy current in the alternating magnetic field, and effectively prevent the interference of the external magnetic field, improving the reliability of equipment operation. It is particularly important to use non-magnetic materials. Moreover, In the field of weaponry, the manufacturing of non-magnetic materials is also important for realizing the magnetic stealth of equipment and improving its survival, penetration and confrontation capabilities. To date, commonly produced non-magnetic materials were mainly non-magnetic stainless steel, non-magnetic high manganese steel, non-magnetic steel and other steel materials. However, due to the poor wear resistance of non-magnetic steel materials, they always have a short service life, which makes the non-magnetic cermets with high hardness, good toughness, wear resistance and chemical stability become more noticed. Currently, WC-Ni-based non-magnetic cermets have been successfully developed and applied. Meanwhile, Ti(C,N)-Ni-based cermets show great potential as a replacement material for WC-Ni non-magnetic cermet due to their advantages of low density, low content of scarce strategic resources (W, Co) and low cost. Therefore, synthesis of non-magnetic Ti(C,N)-based cermets, with excellent mechanical properties, is of utmost importance for making non-magnetic molds and non-magnetic wear parts. Herein, the research progress of non-magnetic cermets is reviewed. The preparation principle of non-magnetic cemets is described. The effects of alloying and preparation process on magnetic and mechanical properties of cermets are summarized. The presented problems and difficulties in research are discussed. At last, the development trends of non-magnetic cemets are also indicated.
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