Indentation and scratch behavior of functionalized MWCNT-PMMA composites at the micro/nanoscale

被引：12
作者：
Chakraborty, Himel [1 ]
Sinha, Arijit [1 ]
Mukherjee, Nillohit [2 ]
Ray, Dipa [3 ]
Chattopadhyay, Partha Protim [4 ]
机构：
[1] Bengal Engn & Sci Univ, Sch Mat Sci & Engn, Sibpur 711103, Howrah, India
[2] Bengal Engn & Sci Univ, Ctr Excellence Green Energy & Sensor Syst, Sibpur 711103, Howrah, India
[3] Univ Calcutta, Dept Polymer Sci & Technol, Kolkata 700009, India
[4] Bengal Engn & Sci Univ, Dept Met & Mat Engn, Sibpur 711103, Howrah, India
来源：
POLYMER COMPOSITES | 2014年 / 35卷 / 05期
关键词：
STRESS WHITENING BEHAVIOR; MECHANICAL-PROPERTIES; SENSING INDENTATION; CARBON NANOTUBES; DEFORMATION; NANOCOMPOSITES; FRICTION; COATINGS; DAMAGE; SCALE;
D O I：
10.1002/pc.22739
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Polymethylmethacrylate (PMMA) and functionalized multiwalled carbon nanotube (F-MWCNT) based composite films were prepared using solution casting method. Nanoindentation and scratch measurements were carried out to study the influence of F-MWCNT as the reinforcement on the mechanical properties of the composite at the sub-micron scale. The composites were prepared with varying weight percentages of F-MWCNT in the PMMA matrix. The composites containing an adequate amount (0.25 wt%) of F-MWCNT was found to demonstrate the maximum nanomechanical properties, viz. hardness, elastic modulus, recovery index. Scratch resistance measured in terms of coefficient of friction, also showed maximum value for the PMMA composite reinforced with 0.25 wt% of F-MWCNT. POLYM. COMPOS., 35:948-955, 2014. (c) 2013 Society of Plastics Engineers
引用
收藏
页码：948 / 955
页数：8
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