GB/T 47101-2026 Active National standards

GB/T 47101-2026 Surface chemical analysis—Scanning probe microscopy—Procedure for the determination of elastic moduli for compliant materials using atomic force microscope and the two-point JKR method

Publish Date: 2026-01-28 Implement Date: 2026-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 47101-2026

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods

ICS Name: Chemical analysis

Publish Date: 2026-01-28

Implement Date: 2026-08-01

Pages: 24 pages

Scope

This document describes the procedure for measuring the elastic modulus of soft materials using an atomic force microscope (AFM). By measuring the force-distance curve on the surface of soft materials and analyzing it using the two-point method based on the JKR model theory.
This document is suitable for soft materials with an elastic modulus range of 100 kPa to 1 GPa. The spatial resolution depends on the contact radius between the AFM probe and the surface, which is typically about 10 nm to 20 nm.