Compressive Strength Testing of Sandwich Cores is done using the ASTM C365 test method. Both stabilized or unstabilized core materials with continuous or discontinuous bonding surfaces are tested flatwise. Ultimate strength, Deflection Stress, Failure mode, and Compressive Modulus are reported.
Compressive Strength Test of Sandwich Cores by ASTM C365 determines compressive strength and modulus of sandwich cores. Compressive strength is determined in the direction where the core would be placed in structural construction. This test can be applied to stabilized or unstabilized core materials with continuous (foams) or discontinuous (honeycomb) bonding surfaces. The results obtained are used for sandwich core material specifications, structural design and development applications, and quality assurance purposes.
A uniaxial compressive force normal to the facings of the sandwich core is applied during this test. Compressive Strength Test is performed with a Universal Test Machine comprising compression platens. At the start of the test, conditioned square or circular samples of sandwich core, in compliance with ASTM C365, are placed at the center of the lower platen. Next, the machine applies a compressive load to the specimen at a specified rate to achieve failure within three to six minutes. The standard speed is 0.50 mm/min [or 0.020 inches/min]. Conditioned samples provide the best results in this test.
Generally, five specimens, at a particular thickness, are tested as per the ASTM C365 method. For continuous bonding surfaces, the minimum facing area of the specimen needs to be 625 mm2 (1 inch2). For discontinuous cellular bonding surfaces, there should be a minimum of 60 cells per test specimen.
Following calculations are done using the results obtained from the Flatwise Compressive Properties test by ASTM C365
ASTM E572 test method covers the analysis of stainless and alloy steels by Wavelength Dispersive X-ray Fluorescence Spectrometry (WDXRF). It provides rapid, multi-element determinations with sufficient accuracy to assure product quality.
The ASTM D2674 is a standard test method for the analysis of sulfochromate etches solution used in the surface preparation of aluminum. The ASTM D2674 standard specifies a method for determining the efficacy of an etchant used to prepare the surface of aluminum alloys for subsequent adhesive bonding.
An immunological method for quantization of Hevea Natural Rubber (HNRL) proteins using rabbit anti-HNRL serum. Rabbits immunized with HNRL proteins react to the majority of the proteins present, and their sera have the capability to detect most if not all the proteins in HNRL.
ASTM G65 measures the resistance of metallic materials to abrasion using the dry sand/rubber wheel apparatus. The quality, durability, and toughness of the sample are determined using this test. Metallic materials are ranked in their resistance to scratching abrasion under a controlled environment.
ASTM E2141 test methods provide accelerated aging and monitoring of the performance of time-dependent electrochromic devices (ECD) integrated in insulating glass units (IGU). This test helps to understand the relative serviceability of electrochromic glazings applied on ECD.
ASTM C724 test method is used in analyzing the quality and ease of maintenance of a ceramic decoration on architectural-type glass. This test method is useful in the acknowledgment of technical standards.
Send us a request
Process for testing
You share material and testing requirements with us
We ensure your sample pick-up in an ensured manner
We deliver test report to your inbox
Just share your testing requirements and leave the rest on us!