1. STRUCTURAL TRANSFORMATIONS IN Al-Cu COMPOSITE I. S. Los', A. V. Khorin, G. V. Kozlov, and A. V. Pryshchak Penza State University XII International Symposium on Explosive Production of New Materials: Science, Technology, Business, and Innovations (EPNM-2014)

2. Analysis of the Al-Cu composite properties with intermetallic hardening obtained as a result of complex technology. 2 XII International Symposium on Explosive Production of New Materials: Science, Technology, Business, and Innovations (EPNM-2014)

3. 3 Explosive welding Rolling Heat treatment Micro arc oxidation Finished material XII International Symposium on Explosive Production of New Materials: Science, Technology, Business, and Innovations (EPNM-2014)

4. 4 Form fibers : d – fiber diameter; h – strip height; a – strip width 1 – explosive; 2, 4 – matrix plates; 3 – Cu filaments; γ – angle of impact; D – direction of detonation; V – impact velocity; V к – contact point velocity; k 1 – gap between matrix plates XII International Symposium on Explosive Production of New Materials: Science, Technology, Business, and Innovations (EPNM-2014)

5. 5 t = 22,7 µs t = 10,7 µs t = 12,1 µs XII International Symposium on Explosive Production of New Materials: Science, Technology, Business, and Innovations (EPNM-2014)

6. 6 ×5 ×100 macrostructure in cross-section dedicated fragment microstructure XII International Symposium on Explosive Production of New Materials: Science, Technology, Business, and Innovations (EPNM-2014)

7. 7 25 % ×100 50 % ×100 93 % ×150 XII International Symposium on Explosive Production of New Materials: Science, Technology, Business, and Innovations (EPNM-2014)

8. 8 1 – aluminum matrix; 2 – phase CuAl 2 ; 3 – phase CuAl; 4 – copper fiber X-ray spectrum phase CuAl 2 X-ray spectrum phase CuAl phase CuAl 2 9,5 … 10,5 GPa phase CuAl 6,0…7,5 GPa × 200 XII International Symposium on Explosive Production of New Materials: Science, Technology, Business, and Innovations (EPNM-2014)

9. 9 The volume of intermetallic phases, % Mechanical property Tensile strength, GPa Modulus of elasticity, GPa Elongation, % Specific strength, km Specific modulus of elasticity, 10 3 km 0,5175,6…178,6575,86…77,0921,0…22,56,38…6,502,76…2,80 2,5193,2…199,679,59…81,0620,7…22,47,02…7,252,89…2,95 5,0208,93…212,382,6…83,6820,2…22,17,59…7,713,0…3,04 9,0232,05…233,1580,95…82,3219,3…21,08,43…8,472,94…2,99 XII International Symposium on Explosive Production of New Materials: Science, Technology, Business, and Innovations (EPNM-2014)

10. 10 Tensile strength, GPa Modulus of elasticity, GPa Specific strength, km Specific modulus of elasticity, 10 3 km 1 – AlMg2; 2 – Composite after heat treatment; 3 – Composite after heat treatment and micro arc oxidation technology 12 3 XII International Symposium on Explosive Production of New Materials: Science, Technology, Business, and Innovations (EPNM-2014)

11. 11 X-ray spectral analysis had following result: phase side with copper consists of CuAl predominately and phase side with aluminum consists of CuAl 2 predominately. The interdiffusion coefficient activation energy of CuAl was 150,3 kJ/mol, CuAl 2 - 96,3 kJ/mol. Aluminum-copper intermetallic composite has high mechanical property and handling ability. Complex technology is protected by patent. XII International Symposium on Explosive Production of New Materials: Science, Technology, Business, and Innovations (EPNM-2014)

12. Thank you for attention! E-mail: metal@pnzgu.ru Phone/fax: +7 8412 36 84 53 12 XII International Symposium on Explosive Production of New Materials: Science, Technology, Business, and Innovations (EPNM-2014)