“Influence of Si, Sb and Sr Additions on the Microstructure ...

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Chapter 4: Results <strong>and</strong> Discussion <strong>and</strong> <strong>Sr</strong> due to the modification effect but the properties are lesser than that <strong>of</strong> modified 0.2% <strong>Si</strong> alloy. The same trend is observed with high temperature properties also. However, in all cases, the properties are higher with <strong>Sb</strong> modification compared to <strong>Sr</strong> modification. 250 0 0 A191 AZ91+ AZ91+ A2914zoo 0.2% 1 <strong>Sr</strong> 0.5% e <strong>Sr</strong> 0.7% 14 <strong>Sr</strong> 50 . I MP2: I °»i>E . ElUTS.1\-[Pa [ 1= - I YS, l\’[Pa " I %E . El UTS. 1\-[Pa —g -2 AZ91 AZ91-1' AZ91+ AZ91-F 0.2% <strong>Sr</strong> 0.5% <strong>Sr</strong> 0.7% <strong>Sr</strong> . . Figure 4.40: Tensile properties <strong>of</strong> <strong>Sr</strong> added AZ91alloy (a) RT (b) 150°C 128
W Chapter 4:Resu|ts <strong>and</strong> Discussion PRT 1 ~ Table 4.8: Tensile properties <strong>of</strong> <strong>Sr</strong> added AZ91all0y in tabular form lg At 150°C Alloy YS UTS %E YS UTS %1=; 1“ 2 AZ91 174 * 120 1 2210 2 4 28 85 1- 5180 122” 2 “}\z91+0.2%sr 128 215 1 4.5 82 178 1" 10 133 222 4.5 85 r “AZ91+0.7% sr“ 135 '1 200 1 3 i 578 1" ‘AZ91-10.5% <strong>Sr</strong> 2 188 105 L 1:. Table 4.9: Tensile properties <strong>of</strong> <strong>Sb</strong> <strong>and</strong> <strong>Sr</strong> added <strong>Si</strong> containing AZ91 alloys in tabular form Alloy AZ91 AZ9 l+0.2 % <strong>Si</strong>+0.2 0/0 <strong>Sb</strong> AZ91+0.5 % <strong>Si</strong>+0.2% <strong>Sb</strong> AZ91+0.2 % <strong>Si</strong>+0.l% <strong>Sr</strong> AZ9l+0.5% 1YS 120 125 123 At RT UTS 210 238 225 1 At 150°C %E ,__ ~- .. _ 4 85 1 180 1 12 6 100 198 16 ' i 3.8 94 175 ‘ 12 si+0.19{/9 <strong>Sr</strong> UTS %%E 126 220 4.5 92 186 1 11.5 130 215 3.5 W881 165 10 129 “'_'—1 I 1 I I
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iié»a'5 INFLUENCE OF Si</
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DECLARATION I hereby declare that t
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_ _ Acknowledgements I am very much
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ABSTRACT _ Abstract The use <strong
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A Abstract The microstructure <stro
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_ _ 1 Abstract intermetallic are al
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2.7.2 Page No Zirconium Free Alloys
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Page No 3.4.4 Hardness ------------
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J 1 1 J N0 No LIST OF TABLES Table
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LIST OF FIGURES Figure . Page l N0.
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5 3.7 it . — 7 ‘ 7 ———
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; Intermetallic ‘ 4.23 Microstruc
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at 200°C 4.59 Creep curves <strong
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1.1 MAGNESIUM lllllI"l'IlI 1: IIITI
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H Chapter 1: Introduction AZ9l allo
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_ Chapter 1: Introduction In summar
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Chapter 1: Introduction choice for
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60 -. 50 _..z I 1' %1 ' Passen
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qChapter 2: Literature Review Table
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Chapter 2: Literature Review 5¢l¢
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M Chapter 2: Literature Review to s
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T Chapter 2: Literature Review effi
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Chapter 2: Literature Review solidi
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; l It L .r . _ 1 Chapter L2: Liter
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-- ChaPt°l-2LLil°'3t"'° Review m
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H _ g Chapter2: Literature Review p
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2.8.4 Heat Treatment 2.8.4.1 Genera
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Chapter 2: Literature Review report
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_ _ _ Chapter 2: Literature Review
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_p g Chapter 2: Literature Review w
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Chapter 2: Literature Review fractu
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_ Chapter 2: Literature Review On t
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Ii | ‘I I Chapter U 2: Literature
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_ _ W pp Chapter 2: LiteratureRevie
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1 _ Chapter 2W:Litegrature Review R
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Chapter 2: Literature Review increa
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_ H Chapter 2: Literature Review bi
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2.9.5 Strontium _- ChaPl°F..2.?_i:
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2.11 SCOPE OF THE WORK Chapter 2: L
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l}llll"l'IlI 3: lll'l'IlIl|llS llll
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Chapter 3: Materials and</s
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Chapter 3: Materials and</s
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f W _ _ Chapter 3g:lVlaterials <str
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3.6 X-RAY DIFFRACTION (XRD) Chapter
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_ Chapter 3: Materials and<
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l. 2. 3. 4. 5. 6. 7. 8. 9. l0 ll 12
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E References W. Blum, B. Watzinger
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__ _ References M. O. Pekguleyuz: M
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References 97.0. Lunder, T. Kr. Aun
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References l32.M.T. Perez-Prado, J
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_ _ _ References l70.A. Alahelisten
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References 204.M. R. Bothwell, H. P
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_ References 240.Smithells Light Me
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References 278. P. Zhang, B. Watzin
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References 31 l.Metal Hand<
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Nat1on_al/International Conference
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Page 125: Para 1 7 Explained to the
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