Introduction to the method of increasing the density of ferrite during sintering Magnet ring
A netizen asked: the density of ferrite core sintered in rail kiln is about 4.75, what is the feasible way to increase it to 4.8? The following carrich magnet supplier Xiaofu collected some methods of increasing the density of ferrite during sintering.
Tanyou 752205402: heating up is the best way! Generally speaking, the speed of roller kiln is relatively fast and the efficiency is relatively high! Therefore, it is not advisable to reduce the speed of roller kiln. It is wise to raise the sintering temperature!
If it’s a nitrogen kiln, you can try it from the following aspects:
1. Increase the density of green body
2. Increase the sintering temperature of the kiln and extend the holding time appropriately (that is, extend the advancing time of the kiln)
3. 600-1100 degrees should have more appropriate air intake and extraction
4. Other constant load reduction, or the use of higher than usual pillars. If it is bell type furnace: 1. Densification can be done; 2. Increase the sintering temperature and holding time; 3. Reduce the amount of sintering in each furnace. Another key factor is whether the powder you use has enough activity. If the activity of the powder is too poor, then starting from the material is the most obvious effect.
If you want to increase the density of all your products, it is suggested to increase the green density or the kiln temperature, but pay attention to whether there is any change in the size of the finished product.
Tan you xhwang 2001: another key factor is whether the powder you use has enough activity. If the activity of the powder is too poor, then starting from the powder is the most obvious effect.
Post time: Mar-11-2021