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7. Thermodynamic and poromechanic crystallization pressure of sodium sulfate heptahydrate 89 250 240 230 stage Stage IV c. P m [MPa] 220 210 200 12 10 8 6 4 2 0 end of Stage III start of Stage II Stage III start of stage Stage IV 0 2 4 6 8 10 12 14 Indiana limestone P c [MPa] equilibrium P c = P m end of Stage II time Fig. 7.7: The poromechanic crystallization pressure as determined from the measured expansion as a function of the thermodynamic crystallization pressure as determined from the measured supersaturation: a) fired-clay brick; b) Cordova Cream limestone c) Indiana limestone. In this experiment 4 stages can be indentified (see also Figs. 7.1 and 7.2): Stage I - cooling of a sample; Stage II - isothermal crystallization of heptahydrate; Stage III - non-isothermal crystallization of heptahydrate, Stage IV - transformation from heptahydrate to dehydrate
7. Thermodynamic and poromechanic crystallization pressure of sodium sulfate heptahydrate 90 thermodynamic and poromechanic crystallization pressure are equal for all materials. The highest crystallization pressure of sodium sulfate is obtained just after the transformation from heptahydrate to decahydrate.
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Sodium sulfate heptahydrate in weat
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To my family
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CONTENTS 1. Introduction . . . . .
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1. INTRODUCTION 1.1 Introduction Sa
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1. Introduction 11 This phenomenon
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1. Introduction 13 1 2 initial mass
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1. Introduction 15 However, our pre
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2. SINGLE CRYSTAL GROWTH OF SODIUM
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2. Single crystal growth of sodium
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3. CRYSTALLIZATION UNDER WETTING/NO
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3. Crystallization under wetting/no
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Page 40 and 41: 3. Crystallization under wetting/no
Page 42 and 43: 3. Crystallization under wetting/no
Page 44 and 45: 4. NUCLEATION ON MINERAL SUBSTRATES
Page 46 and 47: 4. Nucleation on mineral substrates
Page 52 and 53: 5. SODIUM SULFATE HEPTAHYDRATE FORM
Page 54 and 55: 5. Sodium sulfate heptahydrate form
Page 62 and 63: 6. CRYSTALLIZATION OF SODIUM SULFAT
Page 64 and 65: 6. Crystallization of sodium sulfat
Page 72 and 73: M 6. Crystallization of sodium sulf
Page 74 and 75: 7. THERMODYNAMIC AND POROMECHANIC C
Page 76 and 77: 7. Thermodynamic and poromechanic c
Page 92 and 93: 8. NMR COMBINED WITH ACCELERATED WE
Page 94 and 95: 8. NMR combined with accelerated we
Page 96 and 97: ∆ 8. NMR combined with accelerate
Page 106 and 107: 9. CONCLUSIONS AND OUTLOOK This cha
Page 108 and 109: 9. Conclusions and Outlook 107 Soft
Page 110 and 111: APPENDIX: CALCULATION OF SALT CRYST
Page 112 and 113: Appendix: Calculation of salt cryst
Page 114 and 115: Bibliography 113 [15] L.M. Luquer,
Page 116 and 117: Bibliography 115 [47] D. Rosenblatt
Page 118 and 119: Bibliography 117 [78] H.P. Huinink,
Page 120 and 121: LIST OF PUBLICATIONS Published: •
Page 122 and 123: ACKNOWLEDGMENT This thesis would no
Page 124: CURRICULUM VITAE Tamerlan Saidov wa
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