خصائص بعض الطينات المحلية بصعيد مصر: دراسة تحليلية Properties of Some Local Clays in Upper Egypt: An Analytical Study

نوع المستند : المقالة الأصلية

المؤلف

مدرس الخزف بقسم التربية الفنية ، كلية التربية النوعية، جامعة جنوب الوادي

المستخلص

ملخص الدراسة:
هدفت الدراسة إلى توصيف وتحليل الخصائص الفيزيائية والكيميائية للطينات المحلية في صعيد مصر، وتقييم إمكانات الطينات المحلية في استخدامات مختلفة تشمل التطبيقات والتكنولوجيا الحديثة في الخزف، وتقديم توصيات عملية لتحسين الاستفادة من الطينات المحلية في تطبيقات متقدمة في الخزف. واتبعت الدراسة المنهج الوصفي التحليلي والتجريبي لتحليل بعض الطينات باستخدام تقنيات علمية متعددة لتوصيف خصائصها الفيزيائية والكيميائية. وتمثلت عينة الدراسة في الطينات المحلية بمحافظة قنا وهي (طمي "الطين الزراعي" وطينة المارل "الَطفلة" وطينة الحِيبة "السيل"). وتصلت الدراسة إلى العديد من النتائج منه: أظهرت الدراسة تباينًا في تصنيف الطينات المحلية وفقًا لنسب الطين والطمي والرمل. الطينات الثلاث تمتاز بخصائص مختلفة تجعلها ملائمة لمجموعة واسعة من الاستخدامات؛ وكشف تحليل XRD عن وجود معادن مثل الكوارتز والكاولينيت والمونتموريلونيت في الطينات المحلية. هذه المكونات عززت الليونة والصلابة، خاصة في طينة السيل والطين الزراعي؛ وأن البيانات التحليلية توفر فرصة لتطوير تقنيات إنتاج مبتكرة تستخدم المواد المحلية بشكل أكثر كفاءة وفعالية، مما يساهم في تحسين جودة المنتجات النهائية. وأوصت الدراسة بالعديد من التوصيات منها: إجراء دراسات إضافية تشمل الطينات من مواقع مختلفة لتوسيع قاعدة البيانات وتعزيز الفهم العلمي؛ وتطوير خلطات طينية مخصصة من خلال دمج أنواع مختلفة من الطينات المحلية لتحسين الخصائص المطلوبة حسب الاستخدام؛ وتشجيع استخدام الطينات المحلية في تطبيقات متقدمة لتعزيز الاستدامة وتقليل الاعتماد على المواد المستوردة.
Abstract:
The study aimed to describe and analyze the physical and chemical properties of local clays in Upper Egypt, evaluate their potential for various uses, including modern applications and technologies in ceramics, and provide practical recommendations to enhance the utilization of local clays in advanced ceramic applications. The study employed a descriptive, analytical, and experimental methodology to analyze certain clays using multiple scientific techniques to characterize their physical and chemical properties. The study sample consisted of local clays from Qena Governorate, including agricultural clay “Taffla” marl clay, “Hieba” Flood Clay, and Nile clay. The study yielded several findings, such as the variation in the classification of local clays based on the proportions of clay, silt, and sand. The three types of clay possess distinct properties that make them suitable for a wide range of applications. XRD analysis revealed the presence of minerals such as quartz, kaolinite, and montmorillonite in the local clays. These components enhanced plasticity and hardness, particularly in floodplain clay and agricultural clay. Additionally, the analytical data provided opportunities to develop innovative production techniques that utilize local materials more efficiently, thereby improving the quality of final products .The study recommended several actions, including conducting further studies on clays from different locations to expand the database and enhance scientific understanding; developing customized clay blends by combining various types of local clays to optimize desired properties for specific uses; and promoting the use of local clays in advanced applications to enhance sustainability and reduce dependence on imported materials.

الكلمات الرئيسية

المراجع

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