High-toughness wear-resistant composite material and preparation method thereof
A composite material and high-toughness technology, applied in the field of wear-resistant materials processing, can solve the problems of SiC ceramic wear-resistant particles that are easily broken, and achieve the effects of reducing occupational diseases, reducing pollution, and ensuring safety
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Embodiment 1
[0027] A high-toughness wear-resistant composite material and a preparation method thereof:
[0028] High toughness wear-resistant composite material is composed of MXene powder 5-10%, SiC particle (312μm) 65-80%, SiC particle (200μm) 10-15%, SiC particle (50μm) 5-9%, silicon powder 1-3% %, carbon black 1-3%, graphite 1-3%, sintering aid 0.5-1.0%, dextrin powder 3-5%.
[0029] Specific steps are as follows:
[0030] Preparation of S1 and MXene:
[0031] Weigh 2g of fluoride salts and dissolve them in 30mL of 12mol / L concentrated hydrochloric acid (HCl) respectively, and ultrasonicate for 15min to completely dissolve the fluoride salts.
[0032] Among them, the fluorine salt is NaF or LiF.
[0033] Then the mass of 2g Ti 3 AlC 2 The samples were added to the fluoride salt solution respectively, and the temperature was set to 35°C, and stirred for 72h with a collector-type constant temperature magnetic stirrer.
[0034] Then, the obtained solution was washed successively w...
Embodiment 2
[0040] A high-toughness wear-resistant composite material and a preparation method thereof:
[0041] High toughness wear-resistant composite material is composed of MXene powder 5-10%, SiC particle (312μm) 65-80%, SiC particle (200μm) 10-15%, SiC particle (50μm) 5-9%, silicon powder 1-3% %, carbon black 1-3%, graphite 1-3%, sintering aid 0.5-1.0%, dextrin powder 3-5%.
[0042] Specific steps are as follows:
[0043] Preparation of S1 and MXene:
[0044] Weigh 2g of fluoride salts and dissolve them in 30mL of 12mol / L concentrated hydrochloric acid (HCl) respectively, and ultrasonicate for 15min to completely dissolve the fluoride salts.
[0045] Among them, the fluorine salt is NaF or LiF.
[0046] Then the mass of 2g Ti 3 AlC 2 The samples were added to the fluoride salt solution respectively, and the temperature was set to 35°C, and stirred for 72h with a collector-type constant temperature magnetic stirrer.
[0047] Then, the obtained solution was washed successively w...
Embodiment 3
[0053] A high-toughness wear-resistant composite material and a preparation method thereof:
[0054] High toughness wear-resistant composite material is composed of MXene powder 5-10%, SiC particle (312μm) 65-80%, SiC particle (200μm) 10-15%, SiC particle (50μm) 5-9%, silicon powder 1-3% %, carbon black 1-3%, graphite 1-3%, sintering aid 0.5-1.0%, dextrin powder 3-5%.
[0055] Specific steps are as follows:
[0056] Preparation of S1 and MXene:
[0057] Weigh 2g of fluoride salts and dissolve them in 30mL of 12mol / L concentrated hydrochloric acid (HCl) respectively, and ultrasonicate for 15min to completely dissolve the fluoride salts.
[0058] Among them, the fluorine salt is NaF or LiF.
[0059] Then the mass of 2g Ti 3 AlC 2 The samples were added to the fluoride salt solution respectively, and the temperature was set to 35 °C and stirred for 72 h with a collector-type constant temperature magnetic stirrer.
[0060] Then the obtained solution was washed with deionized...
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