Search:

  • Factors affecting the mechanical properties of

Search Options

Sort by:

Publication Type:

Open access:

Publication Date:

Periodicals:

Search results

Online since: November 2011
Authors: Jian She Zhang, Dong Xing Zhang, Ye Tian, Di Hong Li, Hai Ying Xiao, Jin Jia, Cheng Li Liang, Jiu Si Jia
Flat crush performance test, edgewise compressive properties test and sheering properties test of both ripple structure and latticed structure sandwich composites were performed respectively.
In the paper, the ripple sandwich structure and lattice sandwich structure were selected as the research object, and the mechanical properties tests were performed.
The equipment drawing of edgewise compressive properties test is shown in Fig.3.
The equipment drawing of sheering properties test is shown in Fig.4.
So, the result of mechanical model was affected.
Online since: April 2009
Authors: Jian Fei Xie, Y.P. Qiu, Hong Yan Wu, Ying Chen Zhang
Crystallization and Mechanical Properties of Nano ZnO/PP/PLA Composite Filaments 1 YingChen Zhang1,2,3, JianFei Xie 2, HongYan Wu3 ,Y.P.
The incorporation of nano-materials has proved that it is a very effective way of improving the mechanical properties, particularly the tensile strength of PP (polypropylene)/PLA (polylactic acid) composites.
It is regarded as an environmentally friendly process since no chemicals are involved and also as an effective way to modify the bondability and wettability of polymer surface by introducing polar groups or increasing surface roughness without affecting the bulk properties [5].
Compared with the Figs, the uneven dispersion of the samples may cause the relatively lower tensile properties.
On the other hand, it is clear that PLA is well-dispersed on the polymer matrix for sample 6 which confirmed its outstanding tensile properties (Fig.2 (c)).
Online since: July 2011
Authors: Jun Bao, Zhi Yong Cai
The interfacial interaction of carbon fiber reinforced polyimide(PI) composites is a very important issue because it is one of the key factors to influence the mechanical properties of materials.
The fracture surface analysis showed the fiber matrix interface dominates the mechanical and tribological properties.
A large body of research has found that this stress transfer process affects some quasi-static properties such as strength[6,7].
Results and Discussions Mechanical properties Fig. 1 Bending properties of CF/PI composite The measured bending test results of the CF/PI composite are listed in Fig 1.
Conclusions Experimental results showed that the addition of CF greatly affected the mechancial and tribological properties of the PI composites.
Online since: September 2003
Authors: N. Dong, Li Tong Zhang, Lai Fei Cheng, Xin Gang Luan
The controlling factors conducing mechanical properties degradation under unstressed conditions with oxygen, water vapor and sodium sulfate vapor were discussed.
So it was thought that temperature may be one major factor in the properties change instead of the interlayer thickness.
It should be paid attention that the weight loss in all these atmospheres was not more than 3%, which may suggest that the interlayer thickness was again a minor factor affecting the weight change of the composite.
While in other non-oxygen-containing atmosphere at elevated temperature, the interlayer thickness was not yet the major factor affecting the properties of the composite, so the selected interlayer thickness was just referenced.
CONCLUSION Under unstressed conditions, the factors conducing mechanical property degradation under unstressed conditions were oxygen, water vapor and sodium sulfate vapor.
Online since: July 2017
Authors: Luciano Pessanha Moreira, Jose Adilson de Castro, Maria Carolina dos Santos Freitas, Flavia de Paula Vitoretti, Viviane Lima Silva, Jorge Franklin Mansur Rodrigues Filho
The mechanical strength of the pellets, as well as its wear resistance are important factors to characterize the mechanical behavior.
The uniaxial compression test was made to evaluate the mechanical properties of the pellets.
The properties of iron ore pellets are influenced by the type and nature of the ore, the additives used and the heat treatment.
Focusing in the physical characteristics, it can be stated that the mechanical properties are a key point to the productivity of the cast iron and steel making processes.
Stress versus strain data obtained by the test was applied in the numerical model to represent its material properties.
Online since: April 2014
Authors: Hua Guo, Ying Ting Zhou
There are many factors influence the precision of silica gel products mold and vacuum casting mold, of which the main influence factors including the RP prototype error, silica gel mold making and vacuum type error, these factors cause vacuum injection products are difficult to achieve ideal accuracy. 1.
Reaction rate is mainly affected by reaction temperature, the material uniformity, the mould channel scale etc, the influence of such factors will affect the forming parts’ quality and material properties [5].
There are also a lot of other factors which affected the quality of the vacuum injection such as operating time, cure time, ratio of resin, curing temperature, etc, according to the important degree from large to small
(3) The ratio of resin Different ratio will cause changes on the mechanical properties of the parts.
When the ratio is not correct, it will affect the contraction change of the products, it will also change the mechanical properties such as bending strength and bending modulus of elasticity, etc
Online since: December 2013
Authors: T. Sakai, A. May-Pat, J.M. Cervantes-Uc, Carlos Rolando Ríos-Soberanis, Shuichi Wakayama
arolando@cicy.mx, bwakayama@tmu.ac.jp, ct-sakai@tmu.ac.jp, dmanceruc@cicy.mx, eamay@cicy.mx Keywords: Biomaterials, acoustic emission technique, material characterization, mechanical properties.
Specimen preparation and factors such as curing and temperature time are well known to affect the mechanical properties of bone cement.
Although all of the specimens were prepared using identical hand mixing techniques and molded into their final shape, such factors changed in function of the formulation.
On the other hand, bone cement synthesized with Monomer 3 (M3) displayed low dispersed values since it was not observable a marked difference between them; it seems that the formulation does not affect greatly the mechanical properties in tension mode.
In comparison with samples with no added monomer (Ref-0%), M1 displayed lower properties.
Online since: September 2014
Authors: Hong Xing Lu, Da Quan Li, You Feng He, Qiang Zhu, Stephen P. Midson
EFFECT OF CASTING SIZE ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF THIXOCASTINGS Hongxing Lu1,a Qiang Zhu1,b Youfeng He1,c Daquan Li1,d and Stephen P.
And the mechanical properties of semi-solid thixocastings may be independent of casting thickness and cooling rate.
The heat treatment parameters were also optimized to get better mechanical properties.
But, there is another decisive factor to the mechanical properties - defects.
The casting defects have decisive roles in the mechanical properties.
Online since: November 2011
Authors: Diego Mantovani, P. Chevallier, Sébastien Meghezi
Why mechanical properties of collagen scaffolds should be tested in a pseudo-physiological environment?
Whereas mechanical properties are usually measured directly in the air, the aim of this work was to evaluate the effects of a pseudo-physiological environment (PPE) on the mechanical properties of collagen gels.
This increase was thereafter correlated to the mechanical properties.
However for biomedical applications, environmental factors, such as temperature, physiological environment, ionic strength, pH, can strongly affect mechanical properties, especially for hydrogels [15].
Previous work in our laboratory has highlighted the UV ability to increase collagen gels mechanical properties [16].
Online since: December 2014
Authors: Wan Chang Sun, Qing Hao Yang, Pei Zhang, Pan Li, Xiao Lin She
Effects of Ni/Co Metal Binder Phase on Mechanical Properties of Ti(C,N)-based Cermets Pei Zhang, Wan-chang Sun*, Qing-hao Yang, Pan Li, Xiao-lin She College of Materials Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China *Corresponding author: sunwanchang@tsinghua.org.cn Key words: Ti(C,N)-based cermets, Metal binder phase, Mechanical properties, Fracture micrograph Abstract.
The effects of metal binder phase content on porosity and mechanical properties of Ti(C,N)-based cermets were investigated.
Tool materials are not only core components of cutting technology, but also main factors which directly affect the cutting quality and efficiency.
Fig. 1 Pressureless sintering process of Ti(C,N)-based cermets Mechanical Testing.
Table 2 Mechanical properties of Ti(C,N)-based cermets with different metal binder phase content Samples Vickers hardness[ GPa] Bending strength [ MPa] Fracture toughness [MPa·m1/2] Ti(C,N)-A 12.8 270.1 8.2 Ti(C,N)-B 15.8 885.8 9.7 Ti(C,N)-C 14.2 419.7 8.0 Fig.4 shows the fracture micrographs of Ti(C,N)-based cermets with different metal binder phase content.
Showing 851 to 860 of 25809 items