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Preparation method of high-density boron carbide ceramic
The invention belongs to the technical field of ceramic materials, and particularly relates to a preparation method of high-density boron carbide ceramic, which comprises the following steps: S11, carrying out primary slurry preparation on boron carbide, and carrying out ball milling; s12, drying, crushing and sieving the ball-milled powder to obtain boron carbide modified powder; s21, carrying out secondary slurry preparation on the boron carbide modified powder and deionized water, adding a dispersing agent, and carrying out ball milling; s22, adding a sintering aid, a binder and a release agent, and continuing ball milling to obtain slurry; performing spray granulation: sieving the slurry, and performing spray granulation to obtain granulation powder; aging the granulated powder: adding ethanol into the granulated powder, uniformly stirring, adding into a sealed bag, and aging; dry-pressing the granulated powder: uniformly mixing the coarse granulated powder and the fine granulated powder according to a certain proportion, and pressing the mixed powder by using a dry press to obtain a biscuit; and high-temperature sintering: carrying out one-time debonding and sintering on the biscuit to obtain the boron carbide ceramic.
本申请属于陶瓷材料技术领域，具体涉及一种高致密度碳化硼陶瓷的制备方法，包括如下步骤：碳化硼一次配浆：S11、将碳化硼微粉与改性剂一次配浆，进行球磨；S12、将球磨后的粉体烘干、粉碎、过筛得到碳化硼改性粉料；碳化硼二次配浆：S21、将碳化硼改性粉料与去离子水二次配浆，加入分散剂，进行球磨；S22、加入烧结助剂、粘结剂和脱模剂，继续球磨得到浆料；喷雾造粒：将浆料过筛后喷雾造粒，得到造粒粉；造粒粉陈化：向造粒粉中加入乙醇，搅拌均匀加入密封袋陈化；造粒粉干压：将粗造粒粉和细造粒粉按一定比例均匀混合，用干压机对混合后的粉体进行压制，得到素坯；高温烧结：对素坯进行一次性脱粘和烧结，得到碳化硼陶瓷。
Preparation method of high-density boron carbide ceramic
The invention belongs to the technical field of ceramic materials, and particularly relates to a preparation method of high-density boron carbide ceramic, which comprises the following steps: S11, carrying out primary slurry preparation on boron carbide, and carrying out ball milling; s12, drying, crushing and sieving the ball-milled powder to obtain boron carbide modified powder; s21, carrying out secondary slurry preparation on the boron carbide modified powder and deionized water, adding a dispersing agent, and carrying out ball milling; s22, adding a sintering aid, a binder and a release agent, and continuing ball milling to obtain slurry; performing spray granulation: sieving the slurry, and performing spray granulation to obtain granulation powder; aging the granulated powder: adding ethanol into the granulated powder, uniformly stirring, adding into a sealed bag, and aging; dry-pressing the granulated powder: uniformly mixing the coarse granulated powder and the fine granulated powder according to a certain proportion, and pressing the mixed powder by using a dry press to obtain a biscuit; and high-temperature sintering: carrying out one-time debonding and sintering on the biscuit to obtain the boron carbide ceramic.
本申请属于陶瓷材料技术领域，具体涉及一种高致密度碳化硼陶瓷的制备方法，包括如下步骤：碳化硼一次配浆：S11、将碳化硼微粉与改性剂一次配浆，进行球磨；S12、将球磨后的粉体烘干、粉碎、过筛得到碳化硼改性粉料；碳化硼二次配浆：S21、将碳化硼改性粉料与去离子水二次配浆，加入分散剂，进行球磨；S22、加入烧结助剂、粘结剂和脱模剂，继续球磨得到浆料；喷雾造粒：将浆料过筛后喷雾造粒，得到造粒粉；造粒粉陈化：向造粒粉中加入乙醇，搅拌均匀加入密封袋陈化；造粒粉干压：将粗造粒粉和细造粒粉按一定比例均匀混合，用干压机对混合后的粉体进行压制，得到素坯；高温烧结：对素坯进行一次性脱粘和烧结，得到碳化硼陶瓷。
Preparation method of high-density boron carbide ceramic
一种高致密度碳化硼陶瓷的制备方法
YAN YONGJIE (author) / TANG QIAN (author)
2022-05-27
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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