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Grinding method of rare earth yttrium-lanthanum composite silicon nitride ceramic
The invention discloses a grinding method of rare earth-yttrium-lanthanum composite silicon nitride ceramic. The grinding method comprises the following steps: S1, preparing raw materials required tobe ground in the preparation process of the rare earth yttrium-lanthanum composite silicon nitride ceramic; S2, separately taking out large raw materials which are difficult to grind and small raw materials which are easy to grind in the raw materials, and respectively obtaining large crushed materials and small ground materials a; S3, putting the large crushed material and ground material a in acentrifugal planetary grinding machine together for once more grinding, so as to obtain a grinding material b; and conducting repeated grinding and elutriation to removing floating ash suspended on the water surface, drying, filtering and selecting raw material bodies meeting the proper requirements, and conducting multi-stage repeated grinding for multiple times, so as to finally grind the raw materials into ultrafine raw materials. The consistency of the particle size of powder generated in the grinding process of the raw materials and uniform distribution of multiple particle sizes during mixed grinding are guaranteed, the situation that grinding is not thorough due to high hardness difficulty is thoroughly changed, and the quality of fired and formed products is improved.
本发明公开了一种稀土钇镧复合氮化硅陶瓷的研磨方法，包括以下步骤：S1、准备稀土钇镧复合氮化硅陶瓷制备过程中所需要研磨的原料；S2、将原料中大块及较难研磨和较小且容易研磨的原料单独分开取出处理，分别获取到大块破碎料及小块研磨料a；S3、将大块破碎料研磨料a一同置于离心行星式研磨机再次研磨，获取研磨料b；在通过反复研磨、淘洗后将悬浮在水上表面的浮灰渣淘洗筛选出烘干、过滤和选取达到合适需求的原料体，经过多次反复制备多级研磨，最终将原料研磨为超精细原料，保证其原料中在研磨过程中产生的粉体粒度一致及混磨时出现多个粒度分布均匀，彻底改变硬度难度大造成研磨不彻底的情况，提高了烧制和成型后产品的质量。
Grinding method of rare earth yttrium-lanthanum composite silicon nitride ceramic
The invention discloses a grinding method of rare earth-yttrium-lanthanum composite silicon nitride ceramic. The grinding method comprises the following steps: S1, preparing raw materials required tobe ground in the preparation process of the rare earth yttrium-lanthanum composite silicon nitride ceramic; S2, separately taking out large raw materials which are difficult to grind and small raw materials which are easy to grind in the raw materials, and respectively obtaining large crushed materials and small ground materials a; S3, putting the large crushed material and ground material a in acentrifugal planetary grinding machine together for once more grinding, so as to obtain a grinding material b; and conducting repeated grinding and elutriation to removing floating ash suspended on the water surface, drying, filtering and selecting raw material bodies meeting the proper requirements, and conducting multi-stage repeated grinding for multiple times, so as to finally grind the raw materials into ultrafine raw materials. The consistency of the particle size of powder generated in the grinding process of the raw materials and uniform distribution of multiple particle sizes during mixed grinding are guaranteed, the situation that grinding is not thorough due to high hardness difficulty is thoroughly changed, and the quality of fired and formed products is improved.
本发明公开了一种稀土钇镧复合氮化硅陶瓷的研磨方法，包括以下步骤：S1、准备稀土钇镧复合氮化硅陶瓷制备过程中所需要研磨的原料；S2、将原料中大块及较难研磨和较小且容易研磨的原料单独分开取出处理，分别获取到大块破碎料及小块研磨料a；S3、将大块破碎料研磨料a一同置于离心行星式研磨机再次研磨，获取研磨料b；在通过反复研磨、淘洗后将悬浮在水上表面的浮灰渣淘洗筛选出烘干、过滤和选取达到合适需求的原料体，经过多次反复制备多级研磨，最终将原料研磨为超精细原料，保证其原料中在研磨过程中产生的粉体粒度一致及混磨时出现多个粒度分布均匀，彻底改变硬度难度大造成研磨不彻底的情况，提高了烧制和成型后产品的质量。
Grinding method of rare earth yttrium-lanthanum composite silicon nitride ceramic
一种稀土钇镧复合氮化硅陶瓷的研磨方法
LI YONGQUAN (Autor:in) / CHEN JUXI (Autor:in) / ZENG XIAOFENG (Autor:in) / ZENG QINGDANG (Autor:in) / ZHU FULIN (Autor:in)
12.01.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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