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MATERIALS: Analysis Gone Wrong: Part 2
But even misinterpreted tests can yield an approximation of the real composition of the material.
Columns Published: 2/22/2015
MATERIALS: Analysis Gone Wrong
A lot of resources are devoted each year to trying to figure out why products fail. Sometimes it’s because no one involved in a project realizes the data provided was wrong.
Columns Published: 1/27/2015
MATERIALS: The Mystery Of Physical Aging, Part 3
Accelerated aging tests relied on by industries such as medical take into account only chemical aging—oxidation—and ignore physical aging.
Columns Published: 12/29/2014
The Mystery of Physical Aging: Part 2
Dimensional and property changes depend on the size of the part, molecular weight of the resin, and processing conditions.
Columns Published: 11/24/2014
MATERIALS: The Mystery of Physical Aging: Part 1
In polymers, aging is commonly considered essentially synonymous with oxidation. But there are important differences between this type of chemical aging and less commonly recognized physical aging. Let’s unlock the mystery.
Columns Published: 10/23/2014
MATERIALS: Don’t Guess Your Way through Root Cause Analysis: Part 2
The huge chasm between the laboratory and manufacturing discipline usually does not lend itself to problem-solving. It can be improved with clear communication between the analysis laboratory and the people bringing the problem to the lab.
Columns Published: 9/22/2014
MATERIALS: Don’t Guess Your Way Through Root Cause Analysis
More than 50 different polymer test techniques can be used to find root causes of problems. Of these, five or six are fairly common. Use them to take the guesswork out of why a product failed.
Columns Published: 8/25/2014