一种PCBN刀具复合材料及其烧结制备工艺
By preparing hollow microspheres and forming a continuous three-dimensional metal network structure, the problem of poor wear resistance and impact resistance of PCBN tool composite materials was solved, and the high wear resistance and impact resistance of the material were improved.
CN122406019APending Publication Date: 2026-07-17PHOENIX (HENAN) NEW MATERIALS CO LTD +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- PHOENIX (HENAN) NEW MATERIALS CO LTD
- Filing Date
- 2026-06-15
- Publication Date
- 2026-07-17
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Figure CN122406019A_ABST
Abstract
本发明属于PCBN刀具制备技术领域，尤其涉及一种PCBN刀具复合材料及其烧结制备工艺，包括以下步骤：用盐酸多巴胺处理PS微球，与碳化钛、氮化钛分散在无水乙醇和分散剂的混合液中，加入预混液和水反应，经酚醛树脂乙醇溶液处理后升温反应，硝酸溶液除碳后得到空心微球；将空心微球、cBN、铝钛合金粉和粘结剂混匀，干燥、压制成型、脱脂后进行渗透处理和烧结处理，得到PCBN刀具复合材料。本发明将氮化钛和碳化钛制备成空心微球，避免陶瓷微粒发生团聚，铝钛合金粉熔化后填充在空心微球中，形成与空心微球互锁的金属三维网络，提高PCBN刀具复合材料的耐磨性和抗冲击性。
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