Theta Questionnaires
 Dilatometer thermal expansion questionnaire - Theta Industries, Inc.

Dilatometer Materials Testing

Dilatometer Testing Questionnaire

Thermal Expansion

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Test Questionnaire for dilatometer Thermal Expansion

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Specimen: Specimen Material/Composition
Name Green
CTE a cm/cm/°C Fired
Expected Specimen Thermal Expansion Characteristics
0.5 X 10-6/°C
Softening Point: °C °F
2 X 10-6/°C
Melting Point: °C °F
5 X 10-6/°C
Thermal Change:
25 X 10-6/°C
Reversible Irreversible
D L/L_:
(If irreversible, send preferably 3 samples)
Expected Specimem Shrinkage
Reaction With:
10%
Al2O3 SiO2 Aggressive Material
30%
Thermal Mechanical History:
Other: Please Specify Below
Currie Point: Expected phase change associated with expansion.
Glass Transition:
Other:
Length Diameter Preferred Size:

25mm (1") long,
6mm (1/4") diameter.
Other dimensions on request.
50mm (2") 25mm (1")
25mm (1") 20mm (3/4")
10mm 12mm (1/2")
6mm (1/4")
Required Test Conditions: (Experiment Parameters)
Required Accuracy: High Accuracy 1/2% Standard Accuracy 1%
Economy Testing 2%
Sensor/Push-rod Force:
3g 5g 10g
20g 50g 100g
Maximum Temperature: 1000°C 1600°C -170°C to 600°C
1700°C 1800°C 2300°C above
2300°C
Heating Rate: 1°C/min 2°C/min 5°C/min 10°C/min
Other
Hold Point: up to 8 Heating curve only Heating and cooling curve
Specimen Environment: Air Vacuum 10-3 torr
Gas purging cc/min Ar He H2 N2
Other
Wanted Results
Temperature profile of experiment (Temperature vs. Time)
Absolute Differential Expansion vs. Temperature
Specimen Expansion vs. Temperature
Mean Alpha (CTE) vs. Temperature
Instantaneous Alpha vs. Temperature
Instantaneous Alpha, Cooling vs. Temperature
Percent Error Deviation vs. Temperature (used for calibration)
Specimen Expansion vs. Time
Data Printout
Kiln Firing Curve
Diskette with Data
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Last updated on Tuesday, September 07, 2010

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Dilatometer Thermal expansion questionnaire - Theta Industries, Inc.