Investigating materials by mechanical methods

Classification Context

Section:

PHYSICS

Class:

MEASURING; TESTING

Subclass:

INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

Scope Notes

Limiting references: investigating strength properties of solid materials by application of mechanical stress analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid analysing materials by measuring the pressure or volume of a gas or vapour investigatingdensity or specific gravity of materials; analysing materials by determining density or specific gravity investigating flow properties of materials, e.g. viscosity, plasticity; analysing materials by determining flow properties investigating surface or boundary effects, e.g. wetting power; investigating diffusion effects; analysing materials by determining surface, boundary, or diffusion effects investigating characteristics of particles; investigatingpermeability, pore-volume, or surface-area of porous materials investigating resistance of materials to the weather, to corrosion, or to light | Application references: determination of friction coefficient between road and wheel without additional sensors; application of friction determinations to the control of vehicle braking

Child Classifications

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• G01N 19/02 Measuring coefficient of friction between materials
• G01N 19/04 Measuring adhesive force between materials, e.g. of sealing tape, of coating
• G01N 19/06 Investigating by removing material, e.g. spark-testing
• G01N 19/08 Detecting presence of flaws or irregularities
• G01N 19/1 Measuring moisture content, e.g. by measuring change in length of hygroscopic filament; Hygrometers