ʻO nā kiʻi metallographic nani Al-Si alloy

 

ʻO ke ʻano o ka palaoa deformed o 99.999% Al;
Barker's Reagent, Polarized Light

     

Al-1% Si as-cast specimen me Si particles in a α-Al matrix;"Si Blue" etch

Al-7.12% Si, as-cast, me nā dendrites α-Al mua a me kahi eutectic a-Al/Si;"Si Blue" etch

Al -11.7% Si, as-cast, me nā dendrites a-Al mua a me kahi eutectic α-Al/Si;"Si Blue" etch

Al -12% Si, as-cast, kokoke eutectic, "Si Blue" etch

AI -12% Si, as-cast, kokoke eutectic;Weck's Reagent, Polarized Light

Na-Modified Al - 12% Si, as-cast, kokoke i ka eutectic, "Si Blue" etch

Na-Modified Al -12% Si, as-cast, kokoke i ka eutectic Weck's Reagent, Polarized Light

Al - 12.9% Si, gravity make cast, "Si Blue" etch

ʻO Al- 12.9% Si-0.04% Sr, make ʻumekaumaha, "Si Blue" etch

Al-19.85% Si, as-cast, hypereutectic, primary Si plus eutectic, Weck's Reagent -eutectic cell, 200X

Al-25% Si, as-cast, hypereutectic, primary Si a me kahi α-Al/Si eutectic, Weck's Reagent

Al - 50% Si, as-cast, māwae mua Si a me eutectic, "Si Blue" etch

Nā māhoe i loko o ka polycrystalline 99.9999% Si, i hoʻolei ʻia i ka wai 75% NaOH, Nomarski DIC

AI - SIi kiʻikuhi pae