کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1590683 | 1515439 | 2007 | 21 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Calcium sulphate hemihydrate hydration leading to gypsum crystallization
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
دانش مواد (عمومی)
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
The hydration of calcium sulphate hemihydrate (CaSO4·0.5H2O) leading to the crystallization of gypsum (calcium sulphate dihydrate – CaSO4·2H2O) has been the subject of several investigations over a long period and a vast amount of data is widely distributed throughout in the literature. In this review article an overall picture of the subject is presented. The properties of the two hemihydrates (α- and β-), their hydration characteristics, the mechanism of their hydration and the crystal growth of gypsum are discussed. Additives modify the microstructures of the hardened gypsum and reduce its strength. A probable mechanism is discussed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Progress in Crystal Growth and Characterization of Materials - Volume 53, Issue 1, March 2007, Pages 57–77
Journal: Progress in Crystal Growth and Characterization of Materials - Volume 53, Issue 1, March 2007, Pages 57–77
نویسندگان
N.B. Singh, B. Middendorf,