Sample PPT (1)
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VI International Practical Internet Conference on “Challenges of Science”,Devoted to the 75th Anniversary of Prof., Dr. Bagdaulet K. Kenzhaliyev
THERMODYNAMIC STUDIES OF THE BINARY SYSTEM OF
MAGNESIUM WITH THE ALLOYING METAL – BERYLLIUM
NITSENKO A.V., LINNIK X.А.
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VI International Practical Internet Conference on “Challenges of Science”,Devoted to the 75th Anniversary of Prof., Dr. Bagdaulet K. Kenzhaliyev
Applications of magnesium
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VI International Practical Internet Conference on “Challenges of Science”,Devoted to the 75th Anniversary of Prof., Dr. Bagdaulet K. Kenzhaliyev
Properties of magnesium and beryllium
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VI International Practical Internet Conference on “Challenges of Science”,Devoted to the 75th Anniversary of Prof., Dr. Bagdaulet K. Kenzhaliyev
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VI International Practical Internet Conference on “Challenges of Science”,Devoted to the 75th Anniversary of Prof., Dr. Bagdaulet K. Kenzhaliyev
PRODUCTION OF ALLOYS
To vacuum
pump
Quartz ampoule for alloy
production
Composition of alloys of the Mg – Be system
Installation diagram for determining the evaporation rate of alloys
1 – vacuum gauge; 2 – spring scales; 3 – quartz reaction vessel; 4 – crucible with alloy; 5 – electric
furnace; 6 – cathetometer KM-8.
Alloy
number
1
2
3
4
Wt. %
Mg
45.57
64.73
83.47
91.43
Be
54.43
35.27
16.52
8.57
4
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VI International Practical Internet Conference on “Challenges of Science”,Devoted to the 75th Anniversary of Prof., Dr. Bagdaulet K. Kenzhaliyev
Magnesium and beryllium partial vapor pressures over Mg-Be melts
Alloy composition, at.
fraction.
Mg
Ве
0.2369
0.7631
Temperature
К/оС
1123
850
1223
950
0.4049
0.5951
1123
850
1223
950
0.6519
0.3481
1073
800
1173
900
0.7983
0.2017
1073
800
1173
900
pMg ,
experimental
,
kPa
1.07
1.07
0.93
3.60
3.33
3.87
1.87
2.00
1.73
6.93
7.20
6.67
1.73
1.60
1.73
6.93
6.93
6.67
2.40
2.13
2.53
9.33
9.20
8.93
pMg ,
estimated,
kPa
pВе ,
kPa
The partial values of the vapor pressure of magnesium and beryllium
ln p [Pа] ( 14,746x3 35,273x2 23,214x 13,395) T 1
Mg
Mg
12.452x
3
Mg
29.745x
2.61∙10-7
3.624
3.82∙10-6
1.871
1.98∙10-7
6.934
2.83∙10-6
1.688
2.08∙10-8
6.845
3.94∙10-7
2.379
8.18∙10-9
9.146
1.80∙10-7
Mg
20.106x
Mg
Mg
20.367 ln x
Mg
ln pBe [Pа] (14,746x 31,084x 14,836x Be 35,780 3,094ln x Be ) T 1
3
12.452x Be
26.289x2Be 13.194x Be 24.574 1.028ln x Be
3
Be
1.042
Mg
2
2
Be
Phase diagram of magnesium - beryllium system
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VI International Practical Internet Conference on “Challenges of Science”,Devoted to the 75th Anniversary of Prof., Dr. Bagdaulet K. Kenzhaliyev
Xeniya A. Linnik
Master degree , Junior researcher of Laboratoty of Vacuum
Processes
«Institute of metallurgy and ore beneficiation»
Republic of Kazakhstan
E-mail: x.linnik@satbayev.university