Preparation dedicated binder of microbeam analysis standard sample and blending method thereof

Abstract

The invention provides a preparation dedicated binder of a microbeam analysis standard sample. The preparation dedicated binder of a microbeam analysis standard sample comprises components with the following volume fraction: alpha-ethyl cyanoacrylate, the volume fraction of the alpha-ethyl cyanoacrylate is more than 50%, tackifier, the volume fraction of the tackifier is 1-5%; stabilizer, the volume fraction of the stabilizer is 1-5%, flexibilizer, the volume fraction of the flexibilizer is 1-5%, and polymerization inhibitor, the volume fraction of the polymerization inhibitor is 1-5%. Simultaneously, the invention further provides a blending method of the preparation dedicated binder of a microbeam analysis standard sample, a throwing sequence is as following: the alpha- ethyl cyanoacrylate, the polymerization inhibitor, the stabilizer, the flexibilizer, and the tackifier, blended using time is controlled within one tenth of a binder solidification time. The preparation dedicated binder of the microbeam analysis standard sample possesses appropriate liquidity, solidification speed, and good electroconductibility in the meantime, solves an embedding problem of the microbeam analysis standard sample in the preparation process, so that an embedding rate of finished products is effectively improved.

Description

technical field [0001] The invention relates to a binder, in particular to a binder for standard sample embedding and a compounding method of the special binder. Background technique [0002] Microbeam analysis is an important means of modern material detection and research. It mainly uses electron beams as energy injection sources to stimulate the surface or subsurface of the sample to emit specific physical signals, and use these signals for morphology observation, element detection, and failure analysis. and other micro-area material analysis work. In the current work of materials, especially metal material mechanism research, new product development, quality control, defect identification and process improvement, the detection results of microbeam analysis have become an indispensable means and basis. [0003] Modern micro-beam analysis technology mainly uses secondary electrons, backscattered electrons, Auger electrons, transmitted electrons, cathodoluminescence and ch...

AI Technical Summary

Problems solved by technology

[0016] The adhesive used to fix the sample in the copper tube needs to meet various requirements: good adhesion to ensure that the sample will not fall off during subsequent processing and testing; Severe charge accumulation will affect the observation of the sample; the stability should be good, and the properties will not change due to the injection of the electron beam; the solidification rate should be appropriate, if the sample is bonded too fast, the binder will not fully infiltrate the sample. If it is solidified, there will be holes. If it is too slow, the adhesive will flow out of the copper pipe quickly due to the good fluidity of the adhesive, and the bonding operation will not be possible.

[0017] At present, there is no commercial adhesive that meets the above requirements on the market, and no relevant records have been found in patent searches