Discovery TMA 450 thermal expansion and shrinkage measurement

TA Instruments · Engineering measurement and characterization

Purpose: Obtain thermal expansion and shrinkage histories as material inputs for package-warpage comparisons.
Technical approach: Discovery TMA 450 tracks dimensional change under controlled temperature, atmosphere and probe force, using specimen-appropriate fixtures.
Scope of use: Representative resin, film or composite specimens need consistent orientation, cure and moisture conditioning.
Limitations and open questions: These evaluation considerations are compiled by BLNKK from public information. They are not supplier guarantees or a mandatory submission checklist.
Scope and limitations
Probe loading and softening can affect results; curves are not direct package-warpage or interface-strength measurements. Dynamic, creep and relaxation modes require configuration confirmation.
What to prepare
BLNKK suggests preparing specimen geometry/orientation, cure and conditioning, temperature/rate program, probe/load settings and repeated heating/cooling results.
Confirm with the supplier
Confirm fixtures, upgrades, temperature/displacement calibration, CTE fitting intervals and baseline correction; discuss specimen representativeness and comparable test methods.
Public evidence: TA lists CTE, shrinkage, softening and glass-transition measurements, distinguishing 450 from 450EM test modes.

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