Открытый доступ Открытый доступ  Ограниченный доступ Доступ для подписчиков

Влияние термической обработки на микроструктуру и свойства порошковых алюминиевых сплавов с градиентом плотности

Лю Чао, Лю Ян, Ван Тао, Лю Вэн Шэн, Ма Юнь Чжу

Аннотация


Исследованы новые алюминиевые порошковые сплавы с градиентом плотности. Проведены дифференциальная сканирующая калориметрия, микроструктурный, фрактографический и рентгеновский анализы. Определено влияние обработки на твердый раствор и старения на микроструктуру и свойства сплава. Исследовано изменение свойств сплава по толщине образцов. Показано, что наилучшие механические свойства сплав имеет после обработки на твердый раствор при 495 °C, 2 ч и последующего старения при 190 °C, 8 ч с охлаждением на воздухе.

Ключевые слова


алюминиевые сплавы; градиент пористости; твердый раствор; старение; микроструктура; механические свойства

Полный текст:

PDF

Литература


Thai C. H., Ferreira A. J. M., Nguyen-Xuan H. Isogeometric analysis of size dependent isotropic and sandwich functionally graded microplates based on modified strain gradient elasticity theory // Compos. Struct. 2018. V. 192. P. 274 - 288.

Naebe M., Shirvanimoghaddam K. Functionally graded materials: A review of fabrication and properties // Appl. Mater. Today. 2016. V. 5. P. 223 - 245.

Zhou C., Li L., Wang J. et al. A novel approach for fabrication of functionally graded W/Cu composites via microwave processing // J. Alloys Compd. 2018. V. 743. P. 383 - 387.

Reddy J., Kim J. A nonlinear modified couple stress-based third-order theory of functionally graded plates // Compos. Struct. 2012. V. 94. P. 1128 - 1143.

Momeni S. A., Asghari M. The second strain gradient functionally graded beam formulation // Compos. Struct. 2018. V. 188. P. 15 - 24.

Xiang X., Wang X. L., Zhang G. K. et al. Preparation technique and alloying effect of aluminide coatings as tritium permeation barriers: A review // Int. J. Hydrogen Energ. 2015. V. 40. P. 3697 - 3707.

Xue L. J., Mu H. Z., Feng J. J. Thermal mechanical behavior of a functionally graded shape memory alloy cylinder subject to pressure and graded temperature loads // J. Mater. Res. 2018. V. 33. P. 1806 - 1812.

Shaik M., Khanra A. K., Saha B. P. Processing of sintered and CVD coated SiC/CNFs thin composite tubes // Mater. Chem. Phys. 2018. V. 220. P. 225 - 232.

He S. Y., Zhang Y., Dai G., Jiang J. Q. Preparation of density-graded aluminum foam // Mater. Sci. Eng. A. 2018. V. 618. P. 496 - 499.

Liu C., Liu Y., Yang Y. L. et al. New method for preparing micron porous aluminum via powder metallurgy // Mater. Sci. Tech-load. 2018. V. 34. P. 1295 - 1302.

Ubeyli M., Balci E., Sarikan B. et al. The ballistic performance of SiC-AA7075 functionally graded composite produced by powder metallurgy // Mater. Des. 2014. V. 56. P. 31 - 36.

Liu C., Liu Y., Liang C. P. et al. Novel approach for fabrication and characterization of porosity-graded material // Mater. Sci. Tech-load. 2019. V. 35. P. 1583 - 1591.

Albiter A., Leуn C. A., Drew R. A. L. Microstructure and heat- treatment response of Al-2A12/TiC composites // Mater. Sci. Eng. A. 2000. V. 289. P. 109 - 115.

Taherishargh M., Belova I. V., Murch G. E., Fiedler T. On the mechanical properties of heat-treated expanded perlite-aluminium syntactic foam // Mater. Des. 2014. V. 63. P. 375 - 383.

Lehmhus D., Marschner C., Banhart J. Influence of heat treatment on compression fatigue of aluminum foams // J. Mater. Sci. 2002. V. 37. P. 3447 - 3451.

Musa M. S., Maric G., Grilec K. Nanoindentation of closed cell Al alloy foams subjected to different heat treatment regimes // Compos. Part B. 2016. V. 89. P. 383 - 387.

Wang Z. H., Li Z. Q., Ning J. G. Effect of heat treatments on the crushing behaviour and energy absorbing performance of aluminum alloy foams // Mater. Des. 2009. V. 30. P. 977 - 982.

Campana F., Pilone D. Effect of heat treatments on the mechanical behavior of aluminum alloy foams // Scripta Mater. 2009. V. 60. P. 679 - 682.

Lбzaro J., Solуrzano E., Rodrнguez-Pйrez M. A. et al. Heat treatment of aluminum foam precursors: effects on foam expansion and final cellular structure // Pro. Mater. Sci. 2014. V. 4. P. 287 - 292.

Daniel R. A. C., Shahrzad E. Prediction of the effect of artificial aging heat treatment on the yield strength of an open-cell aluminum foam // J. Mater. Sci. 2008. V. 43. P. 1121 - 1127.

Alfonso I., Lara G., Gonzбlez G. et al. A novel solid state method for manufacturing Al foams by over solution heat treatment // Mater. Lett. 2016. V. 174. P. 6 - 9.

Schьler P., Frank R., Uebel D. et al. Influence of heat treatments on the microstructure and mechanical behaviour of open cell AlSi7Mg0.3 foams on different lengthscales // Acta Mater. 2016. V. 109. P. 32 - 45.

Alfonso I., Maldonado C., Gonzalez G., Bedolla A. Effect of Mg content and solution treatment on the microstructure of Al - Si - Cu - Mg alloys // Mater. Sci. 2006. V. 41. P. 1945 - 1952.

Saba F., Zhang F. M., Liu S. L., Liu T. F. Reinforcement size dependence of mechanical properties and strengthening mechanisms in diamond reinforced titanium metal matrix composites // Compos. Part B. 2019. V. 167. P. 7 - 19.




DOI: https://doi.org/10.30906/mitom.2021.11.16-24

© Издательский дом «Фолиум», 1998–2024