A preparation method of HK30 material based on MIM molding and HK30 blade
A hk30-ti, feeding technology, applied in the field of powder metallurgy, can solve the problems of over-burning and under-burning, and achieve the effect of increasing the sintering temperature, widening the sintering window, and improving the yield rate
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Embodiment 1
[0030] A method for preparing HK30 material based on MIM molding, comprising the following steps:
[0031] (1) Mix HK30 stainless steel powder and hydrogenated dehydrogenation titanium powder with a four-pot mixer for 5 hours to obtain HK30-Ti composite powder; wherein, the median particle size of HK30 stainless steel powder is 20 μm, and the median particle size of hydrogenated dehydrogenation titanium powder is The particle size is 17 μm; the amount of hydrogenated dehydrogenation titanium powder accounts for 1.2% of the total amount of HK30-Ti composite powder; the composition of HK30 stainless steel powder and titanium powder is shown in Table 1 and Table 2 below;
[0032] (2) After mixing the HK30-Ti composite powder obtained in step (1) with the binder, knead, and then granulate to obtain granular feed; wherein, the amount of binder is controlled as the loading of the HK30-Ti composite powder 57% of the amount, the mixing temperature is 155°C, and the mixing time is 180m...
Embodiment 2
[0042] A method for preparing HK30 material based on MIM molding, comprising the following steps:
[0043] (1) Mix HK30 stainless steel powder and hydrogenated dehydrogenation titanium powder with a four-pot mixer for 5 hours to obtain HK30-Ti composite powder; wherein, the median particle size of HK30 stainless steel powder is 20 μm, and the median particle size of hydrogenated dehydrogenation titanium powder is The particle size is 17 μm; the amount of hydrogenated dehydrogenation titanium powder accounts for 0.4% of the total amount of HK30-Ti composite powder; the composition of HK30 stainless steel powder and titanium powder is the same as in Example 1;
[0044](2) After mixing the HK30-Ti composite powder obtained in step (1) with the binder, knead, and then granulate to obtain granular feed; wherein, the amount of binder is controlled as the loading of the HK30-Ti composite powder 57% of the amount, the mixing temperature is 155°C, and the mixing time is 180min;
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