scholarly journals Investigation of the nanomechanical properties of nylon 6 and nylon 6/clay nanocomposites at sub-ambient temperatures

2016 ◽  
Vol 11 (9) ◽  
pp. 695-706 ◽  
Author(s):  
Jian Chen ◽  
Ben D. Beake ◽  
Gerard A. Bell ◽  
Yalan Tait ◽  
Fengge Gao
Keyword(s):  
Nylon 6 ◽  
Clay Nanocomposites ◽  
Ambient Temperatures ◽  
Nanomechanical Properties

Effect of sodium montmorillonite source on nylon 6/clay nanocomposites

Polymer ◽  
2004 ◽  
Vol 45 (7) ◽  
pp. 2321-2331 ◽  
Author(s):  
T.D. Fornes ◽  
D.L. Hunter ◽  
D.R. Paul
Keyword(s):  
Nylon 6 ◽  
Clay Nanocomposites ◽  
Sodium Montmorillonite

Nonlinear interphase effects on plastic hardening of nylon 6/clay nanocomposites: A computational stochastic analysis

2019 ◽  
Vol 54 (6) ◽  
pp. 753-763
Author(s):  
Vahid Yaghoubi ◽  
Mohammad Silani ◽  
Hossein Zolfaghari ◽  
Mostafa Jamshidian ◽  
Timon Rabczuk
Keyword(s):  
Stochastic Analysis ◽  
Uncertainty Propagation ◽  
Clay Content ◽  
Latin Hypercube Sampling ◽  
Information Criterion ◽  
Nylon 6 ◽  
Clay Nanocomposites ◽  
Chi Square ◽  
Hardening Modulus ◽  
Plastic Hardening

In this paper, the nonlinear effect of interphase properties on the macroscopic plastic response of nylon 6/clay nanocomposites is investigated by applying a stochastic analysis on a multiscale computational model of nanocomposites. The mechanical behavior of interphase is described with respect to that of the matrix by a weakening coefficient. The interphase thickness and properties are considered as the stochastic inputs and the hardening modulus and hardening exponent describing the plastic hardening characteristics of the nanocomposite are the random outputs. The stochastic analysis consists of three procedures including (i) model selection using Akaike information criterion, (ii) uncertainty propagation using Latin Hypercube sampling in conjunction with chi-square test, and (iii) sensitivity analysis using Sobol indices. The results indicate that the exponential hardening model best describes the flow stress–plastic strain response of the nanocomposite. It is also shown that increasing the clay content generally increases the plastic hardening rate of the nanocomposite up to 4% clay content. Besides, the hardening characteristics of the nanocomposite are more sensitive to the weakening coefficient than the interphase thickness.

Tensile Deformation Behaviours of Nylon 6 Based Nanocomposites

2008 ◽  
Vol 47-50 ◽  
pp. 694-697 ◽  
Author(s):  
Szu Hui Lim ◽  
Zhong Zhen Yu ◽  
Yiu Wing Mai
Keyword(s):  
Shear Deformation ◽  
Tensile Deformation ◽  
Deformation Mode ◽  
Tensile Tests ◽  
Nylon 6 ◽  
Clay Nanocomposites ◽  
Volume Strain ◽  
Physical Mechanisms ◽  
Rubber Particles ◽  
Clay Layers

Tensile tests were conducted on nylon 6/clay nanocomposites, with and without POE-g- MA rubber particles, over a range of temperatures below the glass transition and strain rates 10-4 to 10-1 s-1. It was shown that the yield strength varied with temperature and strain rate as the Eyring equation thus providing results on activation energy and activation volume for the physical mechanisms involved in these processes. Additionally, the tensile dilatometric responses indicated that the presence of POE-g-MA rubber particles did not alter the shear deformation mode of neat nylon 6. In contrast, the presence of clay layers changed the tensile yield deformation of nylon 6 from the more deviatoric plasticity to the more dilatational plasticity. In nylon 6/clay/POE-g-MA ternary nanocomposite, the volume strain response showed that POE-g-MA rubber particles promoted shear deformation and clay layers delamination was suppressed at yield.

Electron beam modified nylon 6-clay nanocomposites: morphology and water absorption behavior

nano Online ◽  
2016 ◽  
Author(s):  
Subhendu Ray Chowdhury ◽  
Sanju Francis ◽  
Kuppa Sivasankara Sarma
Keyword(s):  
Electron Beam ◽  
Water Absorption ◽  
Nylon 6 ◽  
Clay Nanocomposites

Multiscale modeling of damage progression in nylon 6/clay nanocomposites

2014 ◽  
Vol 100 ◽  
pp. 189-197 ◽  
Author(s):  
Shaoning Song ◽  
Yu Chen ◽  
Zhoucheng Su ◽  
Chenggen Quan ◽  
Vincent B.C. Tan
Keyword(s):  
Multiscale Modeling ◽  
Nylon 6 ◽  
Clay Nanocomposites ◽  
Damage Progression

Preparation of High Barrier and Exfoliated-Type Nylon-6/Ultrafine Full-Vulcanized Powdered Rubber/Clay Nanocomposites

2005 ◽  
Vol 38 (11) ◽  
pp. 4551-4553 ◽  
Author(s):  
Weifu Dong ◽  
Yiqun Liu ◽  
Xiaohong Zhang ◽  
Jianming Gao ◽  
Fan Huang ◽  
...  
Keyword(s):  
Nylon 6 ◽  
Clay Nanocomposites ◽  
Powdered Rubber

Influence of Silicate Surface Modification on Morphology and Mechanical Properties of Nylon6/Clay Nanocomposites

2007 ◽  
Vol 334-335 ◽  
pp. 877-880 ◽  
Author(s):  
Jae Hun Shim ◽  
Jae Hun Choi ◽  
Jung Hiuk Joo ◽  
Jin San Yoon
Keyword(s):  
Tensile Properties ◽  
Nylon 6 ◽  
Clay Nanocomposites ◽  
X Ray Diffraction ◽  
X Ray ◽  
Transmission Electron ◽  
End Groups ◽  
Silicate Surface ◽  
Epoxy Groups ◽  
Microscopy Images

A new method was attempted to improve the interaction between nylon 6 with a commercially available organoclay, Cloisite®25A (C25A) through modification of C25A with 3-aminopropyltriethoxy silane, 3-(trimethoxysilyl)propyl methacrylate, 3-(glycidoxypropyl) trimethoxysilane and 3-isocyanate propyltriethoxy silane. C25A and C25A modified with the silane compounds(TFC) were melt mixed with nylon 6. X-Ray diffraction and transmission electron microscopy images revealed that all the TFC layers were fully exfoliated in nylon 6 matrix irrespectively of the type of the silane compounds used for the modification. Tensile properties of nylon 6 were most significantly improved when 3-(glycidoxypropyl)trimethoxysilane modified C25A was incorporated. The chemical reaction between the epoxy groups and the end groups of nylon 6 raised the interfacial interaction and thus was responsible for the enhanced tensile properties.

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