GB/T 46200-2025 Active National standards

GB/T 46200-2025 Determination of coefficient of linear thermal expansion of fiber reinforced polymer matrix composites at ultra-low temperature

Publish Date: 2025-08-29 Implement Date: 2026-03-01 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 46200-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Fiber-reinforced composites

ICS Name: Enhanced plastics

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Pages: 12 pages

Scope

This document describes the test principle, test device, samples, test steps, result calculation and presentation, and test report for the determination of the linear expansion coefficient of fiber-reinforced polymer matrix composites at ultra-low temperatures.
This document is applicable to the determination of the linear expansion coefficient of fiber-reinforced polymer matrix composites using low-temperature strain gauges within a temperature range of -269 °C to -180 °C. The linear expansion coefficient determination of polymer matrix materials is used as a reference.

Development Information

Word Count: 11 Thousand words Pages: 12 pages

Referenced Standards

GB/T 1446-2005 Fiber-reinforced plastics composites—The generals for determination of properties GB/T 2572-2005 Fiber-reiforced plastics composites—Determination for mean coefficient of linear expansion GB/T 13992-1992 Resistance strain gauge GB/T 13992-2010 Metallic bonded resistance strain gauges

Related Standards

GB/T 2843-1981 Abolished

GB/T 2843-1981 The method of tempered glass impact test ( 227g steel ball test)

Publish Date: 1981-12-26

GB/T 3139-1982 Replaced

GB/T 3139-1982 Test method for thermal conductivity of glassfiber reinforced plastics

Publish Date: 1982-07-13

GB/T 3854-1983 Replaced

GB/T 3854-1983 Test method for hardness of fiber reinforced plastics by means of a Barcol impressor

Publish Date: 1983-09-14

GB/T 3855-1983 Replaced

GB/T 3855-1983 Test method for resin content of carbon fiber reinforced plastics

Publish Date: 1983-09-14

GB/T 3856-1983 Replaced

GB/T 3856-1983 Test method for compression properties of unidirectional fiber reinforced plastics

Publish Date: 1983-09-14

GB/T 6011-1985 Replaced

GB/T 6011-1985 Test method for flammability characteristics of fiber-reinforced plastics—Incandescent rod method

Publish Date: 1985-05-24