激光清洗后基材表面分析--创研科技

l 
SEM Comparison of Grit Blasting and Laser Ablation/喷砂和激光清洗后显微镜下的比较

Particle removed in HY-80        Particle remaining in HY-80

substrate after laser ablation     substrate after grit blasting

激光除锈后 HY-80 基材上微颗粒被移除   激光除锈后 HY-80 基材上微颗粒殘留

l  Metallurgical Evaluation/金相分析

 Laser ablation did not adversely affect yield strength, tensile strength, surface profile, paint adhesion or corrosion resistance.

激光不会影响基材的屈服强度，抗拉强度，表明粗糙度，涂层的粘附性与及抗腐蚀性。

l  Flammability Testing/燃烧测试

Flammability testing was performed on pools and cups of 燃烧测试在以下几种易燃物作测试

MIL-L-23699 (Motor Oil) 机油

Methyl-ethyl Ketone (MEK) 甲基乙基酮

Mil-Spec Grease (Molybdenum Disulfide) 二硫化钼

Wet Cosmolene 防锈脂

JP-5 Fuel

With the vacuum system operating, minimal smoke was observed during direct laser ablation on JP-5. No other flames or smoke were detected.

激光直接对JP-5燃油操作，和集尘设备同时启动下，只有少许的烟产生，无火焰产生。

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