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API SPEC 14L: Lock Mandrels and Landing Nipples : Reaffirmed

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273

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API SPEC 20F: Corrosion Resistant Bolting for Use in the Petroleum and Natural Gas Industries : Reaffirmed

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169

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API TR 5NCL Nickel Content Limits for API 5CT Sour Service Products

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149

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API MPMS CH 23.2: Reconciliation of Liquid Tank Car(s) Quantities : Reaffirmed

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API SPEC 16A: Specification for Drill-through Equipment

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API RP 13B-2: Field Testing Oil-based Drilling Fluids wA1

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ISO 12493:2023

ISO 12493:2023 Rubber, vulcanized or thermoplastic – Determination of stress in tension under non-isothermal conditions

CDN $173.00

Description

This document describes two methods for measuring stress in tension under non-isothermal conditions.

    Method A: The thermal stress is measured for various pre-strain and temperature conditions as a function of time.

    Method B: The change of stress is measured in a test piece at a given strain and under variation of temperature at a given heating rate as a function of temperature. In this way, the determination of the thermal-mechanical behaviour of a rubber can be accelerated, e.g. for the purpose of comparative testing of aging or estimating the upper limit of the operating temperature.

The measurement device, which is equipped with a suitable heating chamber, is used to record the stress as a function of time or temperature until the sample breaks or the stress has approached zero or for a certain time.

Edition

3

Published Date

2023-01-06

Status

PUBLISHED

Pages

17

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document describes two methods for measuring stress in tension under non-isothermal conditions.

-    Method A: The thermal stress is measured for various pre-strain and temperature conditions as a function of time.

-    Method B: The change of stress is measured in a test piece at a given strain and under variation of temperature at a given heating rate as a function of temperature. In this way, the determination of the thermal-mechanical behaviour of a rubber can be accelerated, e.g. for the purpose of comparative testing of aging or estimating the upper limit of the operating temperature.

The measurement device, which is equipped with a suitable heating chamber, is used to record the stress as a function of time or temperature until the sample breaks or the stress has approached zero or for a certain time.

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