يُستخدم مسحوق كربيد السيليكون الأسود على نطاق واسع في أعمال التلميع والصقل، نظرًا لصلابته العالية (9.1-9.3 على مقياس موس) ، وحوافه الحادة، وثباته الحراري الممتاز. وهو فعال بشكل خاص في المعادن والسيراميك والزجاج والحجر والمواد المركبة .
الخصائص الرئيسية للتلميع
صلابة عالية – إزالة فعالة للمواد
حبيبات حادة وزاوية – توفر عملية قطع متسقة
مقاومة للحرارة والكيميائية – مناسبة للتلميع الرطب أو الجاف
أحجام جزيئات متحكم فيها – متوفرة بحبيبات دقيقة إلى خشنة (درجات FEPA أو JIS أو ميكرون)
تطبيقات التلميع الشائعة
تلميع المعادن
إزالة النتوءات والتشطيب من الفولاذ المقاوم للصدأ والتيتانيوم والألمنيوم والحديد الزهر .
يستخدم في الأجهزة الاهتزازية، والمعاجين الكاشطة، ومركبات التلميع .
تلميع الحجر والخرسانة
تلميع الجرانيت والرخام والحجر الهندسي.
يستخدم في عجلات الطحن المرتبطة بالراتنج ومنصات التلميع .
تشطيب الزجاج والسيراميك
طحن الحواف وتلميع الأسطح للزجاج البصري وشاشات LCD والسيراميك التقني.
التشطيب الدقيق واللف
يتم استخدامه في المركبات المتداخلة لتحقيق أسطح فائقة النعومة على الأختام والمحامل والصمامات.
أحجام حبيبات التلميع (المعايير الشائعة)
| حجم الحصى (FEPA) | متوسط حجم الجسيمات (ميكرومتر) | الاستخدام النموذجي |
|---|---|---|
| F220 | 53 – 63 | تلميع خشن |
| اف320 | 29 – 37 | تلميع متوسط |
| اف 400 | 17 – 23 | تشطيب جيد |
| اف600 | 9 – 13 | تلميع دقيق |
| F800-F1200 | 6 – 9 | تشطيب فائق الدقة |
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