A study of mechanical properties and microstructure of Cu-based matrixes for diamond ultrathin sawing

A study of mechanical properties and microstructure of Cu-based matrixes for diamond ultrathin sawing
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金刚石超薄锯切用铜基基体力学性能及微观结构研究

DOI:
10.1016/j.rinp.2018.12.041
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发表时间:
2019-03
期刊:
影响因子:
5.3
通讯作者:
Dong Hongfeng
Dong Hongfeng
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Dong Hongfeng

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研究了冷压/烧结法制备的cu基金刚石超薄锯切基体的力学性能和显微组织。实验结果表明,烧结后Cu基样品的相主要由Cu衬底相、Fe、(Cu, Sn)和Cu3.8Ni相组成。当压力增加到187 MPa时,会产生Fe聚集,减缓了cu基基体在烧结过程中的合金化和压实速度,降低了相应的力学性能。烧结后cu基试样的致密性、抗拉强度和弹性极限在187 MPa压力下达到最佳。
The mechanical properties and microstructure of Cu-based diamond ultrathin sawing matrixes prepared using a cold pressing/sintering process were investigated. The experimental results show that the phases of Cu-based samples after sintering are mainly composed of a Cu substrate phase, Fe, (Cu, Sn), and Cu3.8Ni phases. When the pressure was increased to 187 MPa, Fe aggregation was generated, and this slowed the alloying and compaction of the Cu-based matrixes during the sintering process and weakened the corresponding mechanical properties. The densification, tensile strength, and elastic limit of Cu-based samples after sintering were best at a pressure of 187 MPa.
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