ASTM Standard covers hot compression properties of gasket materials.September 30, 2010 -
ASTM F2837 provides gasket manufacturers with test for measuring creep and compression that can be used for R/D and material comparisons, and as QA tool. Standard covers 3 steps in testing process: creep of material under room temperature is measured while increasing load; while under constant load, temperature is increased at given rate over given time period, with thickness over this period being measured; and compression set of material is measured at end of test at room temperature.
Hot Compression Properties Covered in New Standard Approved by ASTM Gaskets Committee
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Press release date: September 28, 2010
W. CONSHOHOCKEN, Pa., -A new ASTM International standard will provide gasket manufacturers a test for measuring creep and compression that can be used for R&D and material comparisons, and as a quality assurance tool. ASTM F2837, Test Method for Hot Compression Properties of Gasket Materials, was developed by Subcommittee F03.40 on Chemical Test Methods, under the jurisdiction of ASTM International Committee F03 on Gaskets.
"Some nonmetallic gasket materials can creep or deform while under a constant load, which is an important material characteristic, especially when temperature is involved," says James Lingenfelder, technical manager, Gasket Resources Inc., and a member of F03.
According to Lingenfelder, ASTM F2837 covers three different steps in the testing process: creep of a material under room temperature is measured while increasing the load on a material to a predetermined level; while under a constant load, the temperature is increased at a given rate over a given time period, with the thickness over this period being measured; and the compression set of the material is measured at the end of the test at room temperature.
Future work on this standard could include a test that has both loading and unloading, which would be helpful in providing data for finite element analysis.
Lingenfelder invites all interested parties to participate in the work of F03.40. "ASTM F2837 can be used for material characteristics for finite element analysis, and certainly anyone interested is welcome to participate," says Lingenfelder. "Along the same line, we are currently working on another standard covering load deflection curves. Again, this is an important material characteristic and also has applications for finite element analysis."
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ASTM Committee F03 Next Meeting: Oct 12-13, October Committee Week, San Antonio, Texas
Technical Contact: James Lingenfelder, Gasket Resources Inc., Houston, Texas, Phone: 713-856-9445; email@example.com