ASTM E2254-24
Standard Test Method for Storage Modulus Calibration of Dynamic Mechanical Analyzers

Standard No.

ASTM E2254-24

Release Date

2024

Published By

American Society for Testing and Materials (ASTM)  US  /  ASTM

Latest

ASTM E2254-24

Introduction

Analysis of the core content of the standard

ASTM E2254 provides a systematic method for the storage modulus calibration of the Dynamic Mechanical Analyzer (DMA). The main technical points include:

Calibration range and principle

Parameters	Technical requirements	Allowable deviation
Temperature range	-100~300℃	±1℃
Moduli range	1~200GPa	See compliance grading
Test Frequency	1Hz Standard	Linear Viscoelastic Region

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Key Instrument Configuration Requirements

The standard explicitly requires that DMA equipment must include: a drive motor, a coupled shaft, a fixture system, a displacement/force sensor, and a temperature control system. It specifically emphasizes that the temperature sensor accuracy must reach ±1°C, and the furnace temperature control range must cover -100°C to 300°C.

Reference Material Selection

The standard provides storage modulus benchmark values for 6 types of reference materials, including:

• Carbon Steel(3.5%Ni): 192GPa at 21℃
• Monel Alloy(67%Ni): 179GPa at 21℃
• UHMWPE: 1.26GPa at 21℃

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Detailed Calibration Implementation Process

Operation Steps

1. Preheat the equipment to isothermal conditions of 20-23℃
2. Verify the baseline signal <1MPa under no-load conditions
3. Install the reference material and balance the temperature
4. Record the measured value E_o and the standard value E_s
5. Calculate the slope S=E_s/E_o

Compliance judgment standard

Slope range	Compliance level	Allowance
0.9990-1.0010	Grade A	<0.1%
0.9900-1.0100	Grade B	<1%
0.9000-1.1000	Grade C	<10%

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Technology Evolution and Implementation Recommendations

Key Points of Standard Update

Main Changes in the 2024 Edition:

• Lower limit of test temperature adjusted from 2℃ to 20℃
• Added Appendix X1 on Temperature Calibration
• Improved thermal hysteresis correction method

Laboratory Operation Recommendations

Case: A laboratory used TA Q800 DMA for calibration and found that:

• The carbon steel sample measured S=0.9982(C=-0.18%)
• Needs to be corrected according to Eq4: E=E_o×0.9982
• Annual calibration can maintain ±2% accuracy

Key points for error control

1. Sample size ratio > 10:1 (L/T)
2. Strain amplitude < 1% (linear region)
3. Regularly verify instrument compliance correction

ASTM E2254-24 Referenced Document

• ASTM D638 Standard Test Method for Tensile Properties of Plastics
• ASTM E1142 Standard Terminology Relating to Thermophysical Properties
• ASTM E2425 Standard Test Method for Loss Modulus Conformance of Dynamic Mechanical Analyzers
• ASTM E3142 Standard Test Method for Thermal Lag of Thermal Analysis Apparatus
• ASTM E473 Standard Terminology Relating to Thermal Analysis
• ASTM E698 Standard Test Method for Arrhenius Kinetic Constants for Thermally Unstable Materials

ASTM E2254-24 history

• 2024 ASTM E2254-24 Standard Test Method for Storage Modulus Calibration of Dynamic Mechanical Analyzers
• 2023 ASTM E2254-23 Standard Test Method for Storage Modulus Calibration of Dynamic Mechanical Analyzers
• 2018 ASTM E2254-18 Standard Test Method for Storage Modulus Calibration of Dynamic Mechanical Analyzers
• 2013 ASTM E2254-13 Standard Test Method for Storage Modulus Calibration of Dynamic Mechanical Analyzers
• 2011 ASTM E2254-11 Standard Test Method for Storage Modulus Calibration of Dynamic Mechanical Analyzers
• 2009 ASTM E2254-09 Standard Test Method for Storage Modulus Calibration of Dynamic Mechanical Analyzers
• 2008 ASTM E2254-08 Standard Test Method for Storage Modulus Calibration of Dynamic Mechanical Analyzers
• 2003 ASTM E2254-03 Standard Test Method for Storage Modulus Calibration of Dynamic Mechanical Analyzers

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