The zinc solid dissolved in the LED aluminum profiles accelerates grain corrosion in a "dissolution-redeposition" manner. The zinc or iron deposited on the alloy(LED aluminum profiles) surface as well as cathodic particles such as high-potential desolvation products FeSiAl and free silicon can act a......
Read More6063 is an Al-Mg-Si alloy, and Mg2Si is the only aging strengthening phase. In order to improve the strength of LED aluminum profile alloys, the Si element content is often excessive during production, and free Si and FeSiAl phase particles are formed from the excess Si.
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