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2020.10.30
Metallographic sample preparation is a technical job, especially cutting. The quality of cutting directly determines whether the entire sample preparation process can be successful, so it is very critical. Metallographic cutting is to cut the original sample to obtain the most representative target analysis surface. Cutting is essentially the process of removing the slit material. The cutting blade rotates at high speed to make the hard abrasive protruding on the surface impact the sample, and the sample is cut by self-loss.
2020.10.30
一般来说,金相制样包括切割,镶嵌和磨抛三大步骤。顾名思义:切割是分切原始样品,获取最具代表性的目标分析面。镶嵌则是将切割后的样品放入填埋树脂内,形成标准的样品便于后续磨抛处理。磨抛是把目标分析面平整化处理,消除划痕,便于后期显微观测使用。
2020.10.30
优质切割片会让切割过程感觉轻快,切割表面均匀平整,同时又能做到锯片寿命较长。能平衡好这三点并非易事,川禾公司依据金相切割工况的特殊要求,精心挑选上乘磨料颗粒,优化磨粒的粒度分布,使用高结合力树脂粉料,反复优化成型工艺参数,开发出适合金相切割专用锯片。
2020.10.30
金相制样是一门技术活,切割首先如此,切割的质量直接决定整个制样过程能否成功,所以非常关键。需要制样员对了解目标材料的基本状况,例如材料的硬度强度等力学性能指标,重点观察的部位,以及目标材料的禁忌要求。然后才能依据这些特点,制定恰当的切割工序。
 
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