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Register a new userThe influence of some geotechnical properties of clay on technical specification of ceramic materials
تأثير بعض الخواص الجيوتكنيكية للغضار على الخواص التقنية للمواد السيراميكية
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إن الاختيار الأمثل للمواد الأولية في أي عملية تصنيعية هي مرحلة رئيسة في تطوير تلك العملية التصنيعية و تحسين منتجاتها. من هنا توجه هذا العمل إلى إيجاد معايير تساعد في اتخاذ القرار الأولي في إمكانية استخدام الغضار و كيفيته أياً كان موقعه في تصنيع المواد السيراميكية من خلال خواصه الفيزيائية (حدود أتربرغ). و قد اعتمد البحث على الطرائق التجريبية و التحليلية لنتائج الاختبارات المخبرية المنفذة على العينات الغضارية من جهة و على العينات الممثلة للمادة المصنعة من جهة أخرى. و استُنتِجت معايير أولية تحدد قيم المواصفات التقنية للمادة السيراميكية المصّنعة، و علاقات رياضية تربط بين خواص المادة الغضارية و المواصفات التقنية للمادة المصّنعة منها التي تساعدنا في تحديد الاستثمار الأمثل لمكامن الغضار سواء كمادة أولية أو الاستدلال لضرورة استخدام الإضافات اللازمة لتحقيق خاصة مهمة جداً، و هي خاصية امتصاص الماء، و من ثم تحديد نوع المنتج المحقق للمواصفات العالمية.
The ideal selection of raw materials in manufacturing process is a very important step to develop this process and to improve the product. For this purpose, we search for initial parameters to guide us in using clay materials (wherever it locate) in ceramic industry. These parameters depend on physical properties of clay (Atterberg Limits). We follow experimental and analytical methods for laboratories tests applied or clay, and for ceramic samples tests. We deduct initial parameters which determine technical specification values for ceramic product, and we derived mathematical formulas between clay properties and technical specification for ceramic product. These parameters and formulas help us to achieve ideal investment for clay ambushes either as pure raw materials or with suitable additives to reach on acceptable value for water absorption of ceramic product which, at the end, specify the type of product according to international specification.
References used
Peters, J.F., 1991. Determination of undrained shear strength of low plasticity clays. International Journal of Rock Mechanics and Mining Science & Geomechanics Abstracts 28 (1), 13
Kolmayer, P., Fernandes, R., Chavant, C., 2004. Numerical implementation of a new rheological law for argillites. Applied Clay Science 26 (1–4), 499–510
Basma, A.A., Al-Homoud, A.S., Malkawi, A.I.H., Al-Bashabsheh, M.A., 1996. Swelling-shrinkage behavior of natural expansive clays. Applied Clay Science 11 (2–4), 211–227
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