ASTM D6790/D6790M
Standard Test Method for Determining Poisson's Ratio of Honeycomb Cores
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About This Item
ASTM D6790/D6790M is the ASTM standard test method for determining Poisson's ratio of honeycomb cores. It provides a focused technical approach for measuring this material response, helping users evaluate how a honeycomb core behaves under loading. For engineering, procurement, and quality-related decisions, ASTM D6790/D6790M supports consistent comparison of test results and clearer communication of material performance.
Purpose of ASTM D6790/D6790M
The purpose of ASTM D6790/D6790M is to establish a recognized test method for determining Poisson's ratio in honeycomb core materials. This property is an important part of characterizing mechanical behavior, especially when a core material is used in lightweight structural applications. By defining a standard way to measure the response, the document helps reduce variation between test programs and improves the reliability of reported results for technical review or product qualification.
Common use cases of ASTM D6790/D6790M
This standard is commonly used when honeycomb cores need mechanical testing as part of material development, supplier qualification, or incoming inspection. It is relevant to users comparing core performance across different product lots, designs, or manufacturing sources. In practice, ASTM D6790/D6790M may also support lab testing workflows where consistent data is needed for design validation, specification checks, or documentation of material behavior under load.
Why ASTM D6790/D6790M matters
ASTM D6790/D6790M matters because it helps create a dependable basis for evaluating a key mechanical property of honeycomb cores. Consistent testing can support compliance efforts, reduce ambiguity in procurement, and improve confidence in performance data used for engineering decisions. For organizations that rely on standardized test methods, it can also help limit risk by making results easier to compare, verify, and communicate across teams or suppliers.
- Standard method for Poisson's ratio measurement
- Focused on honeycomb core materials
- Supports repeatable test reporting
- Useful for qualification and evaluation
- Helps align testing across suppliers
- Publication Date: 2022-05-09
- Publisher: ASTM
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