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Appliance hose
The Evaluation of Appliance Hose and Tubing Failures Publications

The Evaluation of Appliance Hose and Tubing Failures

This paper was originally published and presented at International Appliance Technical Conference in 2003 Polymeric…
Jeffrey A. Jansen
Jeffrey A. JansenJanuary 6, 2023
Plastic clothespin brittle cracking
Ductile – to – Brittle Transition of Plastic Materials Publications

Ductile – to – Brittle Transition of Plastic Materials

These articles originally appeared in Advanced Materials & Processes – February 2006 and February 2007…
Jeffrey A. Jansen
Jeffrey A. JansenJanuary 5, 2023
Polycarbonate fracture surface crazing
Fractography of Polycarbonate Chemical Induced Failure White Papers

Fractography of Polycarbonate Chemical Induced Failure

I completed a failure analysis on a polycarbonate medical component that had been in contact…
Jeffrey A. Jansen
Jeffrey A. JansenJanuary 5, 2023
DMA
Determining Glass Transition Temperature Using DMA White Papers

Determining Glass Transition Temperature Using DMA

Dynamic mechanical analysis (DMA) is the best method for determining the glass transition temperature for…
Jeffrey A. Jansen
Jeffrey A. JansenJanuary 3, 2023
PTFE wear additive
PTFE Additive Reduces Abrasive Wear White Papers

PTFE Additive Reduces Abrasive Wear

Sliding abrasive wear is an important failure mechanism for plastics components, and is the result…
Jeffrey A. Jansen
Jeffrey A. JansenJanuary 3, 2023
Plastic molecules analysis
Analysis of PTFE Internal Lubricant White Papers

Analysis of PTFE Internal Lubricant

A client submitted a molded part that was produced by a competitor of theirs, that…
Jeffrey A. Jansen
Jeffrey A. JansenJanuary 3, 2023
Molecular structure of nylon (polyamide)
Nylon Structure vs. Water Absorption White Papers

Nylon Structure vs. Water Absorption

Nylon, technically categorized as a polyamide (PA), is far from a singular material. Instead, it…
Jeffrey A. Jansen
Jeffrey A. JansenJanuary 3, 2023
Failure analysis cracked plastic part
The Rules of Failure Analysis White Papers

The Rules of Failure Analysis

When I first started performing failure analyses in 1995, I was fortunate to work with…
Jeffrey A. Jansen
Jeffrey A. JansenJanuary 3, 2023
Polyethylene supply line tubing for refrigerators
Failure of Polyethylene Supply Line Tubing White Papers

Failure of Polyethylene Supply Line Tubing

Over the course of the last few years, I have performed a number of failure…
Jeffrey A. Jansen
Jeffrey A. JansenJanuary 3, 2023
Cracked nylon automotive air conditioning connector
Failure Analysis of Automotive Air Conditioning Connectors Publications

Failure Analysis of Automotive Air Conditioning Connectors

This paper was originally published and presented at The Society of Plastics Engineers’ ANTEC in…
Jeffrey A. Jansen
Jeffrey A. JansenJanuary 3, 2023
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