一、前言铝及铝合金的化学砂面工艺是近年来出现的表面精饰技术,能获得比机械喷砂更为均匀、优雅、柔和的外观,其应用范围正日益拓展,不同工艺相继应运而生,本工作旨在对不同牌号的铝及铝合金,特别是含 First, the preface Aluminum and aluminum alloy chemical sand surface technology is surface finishing technology appeared in recent years, can get a more uniform than the mechanical sandblasting, elegant, soft appearance, the scope of its application is increasingly expanding, and different processes have been shipped Students, this work aims at different grades of aluminum and aluminum alloy, especially containing