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一种稀土镧掺杂铜锡钴金属结合剂蓝宝石超薄划片刀及其制备工艺

InventionUnknown
6Claims · 2 independent
§ Ⅰ

Dossier Overview

Inventor

冉隆光; 王余波; 张莹莹

Filing Date

Jul 6, 2026

Publication Date

Oct 20, 2026

IPC Classification

C22C 26/00 (2006.01)C22C 30/04 (2006.01)B22F 5/00 (2006.01)C22C 1/05 (2023.01)B22F 3/02 (2006.01)B22F 3/10 (2006.01)B22F 3/24 (2006.01)B22F 9/04 (2006.01)B22F 1/14 (2022.01)B28D 5/00 (2006.01)

本发明公开了一种稀土镧掺杂铜锡钴金属结合剂蓝宝石超薄划片刀及其制备工艺,本发明采用稀土镧与钴复合改性铜锡合金体系,优化结合剂配比:铜40~50%、锡25~45%、钴5~15%、钛2~6%、铝4~8%、金属镧1~3%,搭配15~25%、5~20μm金刚石磨粒,烧结制备40μm超薄划片刀。本发明采用粉体分级球磨、多级过筛、室温冷压及阶梯分段真空烧结工艺,有效改善粉体团聚、抑制锡组分偏析、细化晶粒,大幅提升胎体致密性与磨粒把持力。钴提升刀片抗弯刚性,钛、铝改善界面结合,适配25000~32000rpm高速切割。

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