Assessment of mechanical behavior of PLA composites reinforced with Mg micro-particles through depth-sensing indentations analysis

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• 作者：S.C. Cifuentes^a ; ^b ; ^{scifuent@ing.uc3m.es} ; E. Frutos^c ; ^{frutoemi@fel.cvut.cz} ; R. Benavente^d ; ^{rbenavente@ictp.csic.es} ; V. Lorenzo^e ; ^{vicente.lorenzo@upm.es} ; J.L. Gonzá ; lez-Carrasco^a ; ^f ; ^{jlg@cenim.csic.es}
• 关键词：Biodegradable composites ; Mechanical properties ; Indentation tests ; PLA ; Magnesium
• 刊名：Journal of the Mechanical Behavior of Biomedical Materials
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：65
• 期：Complete
• 页码：781-790
• 全文大小：1406 K
• 卷排序：65

文摘

PLLA and PLDA composites were reinforced with micro-particles of Mg. Mg does not compromise the polymer stability during thermoplastic processing. Mg increases elastic modulus, hardness and resistance to flow of polymers. Depth-sensing indentation was used to calculate their mechanical properties. Depth sensing analysis correlates well with uniaxial compression data.