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MATERIALS: The Problems with Single-Point Data
It’s time for material suppliers to take a fresh approach to providing data. Thankfully, things are starting to move in that direction. Part 12 of 12.
Columns Published: 4/25/2016
MATERIALS:The Problems with Single-Point Data
This real-world scenario explains why molders and their customers need to ‘think in terms of graphs’ and gather as much data as possible before selecting a material for an application. Part 11.
Columns Published: 3/24/2016
MATERIALS: The Problems with Single-Point Data: Part 10
You can predict creep performance of a material over time at a particular temperature by examining how its modulus changes over a range of temperatures.
Columns Published: 2/22/2016
MATERIALS: The Problems with Single-Point Data: Part 9
Time—and not just temperature—governs the behavior of materials under load. Both must be considered when evaluating a polymer for an application.
Columns Published: 1/20/2016
MATERIALS: The Problems with Single-Point Data, Part 8
DTUL tests may have made sense in the 1940s and 1950s, before the advent of dynamic mechanical analysis. But designers and engineers today need better tools.
Columns Published: 12/21/2015
MATERIALS: The Problems with Single-Point Data, Part 7
The industry can choose between continuing to perform DTUL tests that provide single points that are part of a curve never seen, or perform the test that provides the entire curve.
Columns Published: 11/23/2015
MATERIALS: The Problems with Single-Point Data--Part 6
Data sheets can be limited in the information they provide on how the material performs at elevated temperatures.
Columns Published: 10/26/2015
MATERIALS: Impact Testing: The Problems With Single-Point Data
Knowledge of test conditions and graphical data showing the course of the impact event can help provide engineers and designers with the information they need to make informed choices about material toughness.
Columns Published: 9/25/2015
MATERIALS: The Problems with Single-Point Data
In plastics, notched Izod and Charpy test results have been complicated by the way they are reported.
Columns Published: 8/17/2015
MATERIALS: The Problems With Single-Point Data
Polymer properties are not constant as a function of temperature, and even small temperature changes can affect properties.
Columns Published: 7/16/2015

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