An Evaluation of the Sandwich Beam Compression Test Method for Composites

2009 ◽  
pp. 152-152-14 ◽  
Author(s):  
MJ Shuart
Keyword(s):  
Compression Test ◽  
Sandwich Beam ◽  
Test Method

scholarly journals Using Fatigue Characteristics to Analyse Test Results for 16Mo3 Steel under Tension-Compression and Oscillatory Bending Conditions

Materials ◽  
2020 ◽  
Vol 13 (5) ◽  
pp. 1197 ◽  
Author(s):  
Andrzej Kurek
Keyword(s):  
Compression Test ◽  
Experimental Tests ◽  
Fatigue Tests ◽  
Test Method ◽  
Fatigue Properties ◽  
Test Results ◽  
Bending Tests ◽  
Fatigue Characteristics ◽  
Cost Efficient ◽  
Plastic Components

In this study, 16Mo3 steel was analysed for fatigue tests under tension-compression and oscillatory bending conditions. The analysis involved a comparison of fatigue test results obtained using the Manson-Coffin-Basquin, Langer and Kandil models and the models proposed by Kurek-Łagoda. It was observed that it is possible to substitute the basic tension-compression test performed in large testing machines with oscillatory bending tests carried out on a simple, modern test stand. The tests were performed under oscillatory bending on a prototype machine. The testing of 16Mo3 steel proved that the best-known Mason-Coffin-Basquin fatigue characteristic describes the results of all of the experimental tests very well, but the model can only be used when it is possible to divide strains into elastic and plastic components. It should be emphasised here that there is no such possibility in the case of tests performed under oscillatory bending conditions. It was proven that the proposed test method can substitute the tension-compression test very well and be a much more cost efficient way to obtain LCF material fatigue properties.

A Biaxial Tension-Compression Test Method for Composite Laminates

1994 ◽  
Vol 16 (4) ◽  
pp. 336 ◽  
Author(s):  
WS Johnson ◽  
JE Masters ◽  
JZ Wang ◽  
DF Socie
Keyword(s):  
Compression Test ◽  
Composite Laminates ◽  
Biaxial Tension ◽  
Test Method

The Effect of a Honeycomb Core on the Mechanical Properties of Composite Sandwich Plates

2005 ◽  
Vol 297-300 ◽  
pp. 2752-2757 ◽  
Author(s):  
Cheol Won Kong ◽  
Se Won Eun ◽  
Jae Sung Park ◽  
Ho Sung Lee ◽  
Young Soon Jang ◽  
...  
Keyword(s):  
Exact Solution ◽  
Compression Test ◽  
Sandwich Plate ◽  
Sandwich Beam ◽  
Honeycomb Core ◽  
Practical Applications ◽  
Composite Sandwich ◽  
Beam Shear ◽  
Aluminum Honeycomb ◽  
Honeycomb Cores

When comparing composite sandwich analysis with an exact solution, the results of finite element modeling with an ANSYS shell 91 element agreed well with the exact solution. The practical applications of the shell 91 element are demonstrated with a four-point bend test conducted on sandwich beam specimens. The specimens comprised carbon/epoxy fabric face sheets and a honeycomb core. Two kinds of honeycomb cores were used to fabricate the composite sandwich specimens: an aluminum one and a glass/phenolic one. The predictions with the shell 91 element were also agreed well with the experimental results. A variety of tests was conducted; namely, a long beam flexural test, a short beam shear test, a flatwise tensile test, a flatwise compression test and an edge compression test. The sandwich plate with the aluminum honeycomb core had a specific bending stiffness that was 1.7 to 2.0 times higher than that of the sandwich plate with the glass/ phenolic honeycomb core.

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