ASTM G115 PDF

ASTM G – Free download as PDF File .pdf), Text File .txt) or read online for free. ASTM G 2. Referenced Documents ASTM Standards: B Test Method for Dynamic Coefficient of Friction and. Wear of Sintered Metal Friction Materials Under Dry. ASTM G Standard Guide for Measuring and Reporting Friction Coefficients.

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In addition, elastic beams containing straingages may produce different friction responses than a more rigid load celleven if used on the same friction testing machine. Current edition approved October 10, The overall goal of this guide is to provide a reporting formatthat will enable computer databases to be readily established.

ASTM G – 04 Standard Guide for Measuring and Reporting Friction Coefficients

Other important factors to simulate arenormal force contact pressurevelocity, type of motion reciprocating versus unidirectional and environment. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Link to Active This link will always route to the current Active version of the standard. Originallypublished as G – No other units of measurement are included in this standard. We are nonprofit website to share and download documents.

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Weartest machines are often equipped with sensors to measurefriction forces also. It is h115 that the use of auniform reporting format will provide the basis for the prepa-ration of handbooks and computerized databases. Requirements for minimum data and a format for present-ing these data are suggested.

When pulling a steelcable over the same roll, it would be more appropriate to use astiff testing system. Test surfaces that are prone to blocking or interlock-ing of surface features are particularly prone to showing abreakaway force spike. Friction Wear Force Abrasive Shoe. Asuperscript epsilon e indicates an editorial change since the last revision or reapproval.

These databases can be searched for material couples and tribosystems of interest. It is hoped that the use of a uniform reporting format will provide the basis for the preparation of handbooks and computerized databases. Thank you for visiting our website and your interest in our free products and services. The overall goal of this guide is to provide a reporting format that will enable computer databases to be readily established.

A number in parentheses indicates the year of last reapproval.

G 40 — Last previous edition G – 93 e 1. Standard Costing Jul 25, We Need Your Support.

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Standard Guide for Measuring and Reporting Friction Coefficients

To the running of this website, we need your satm to support us. Requirements for minimum data and a format for presenting these data are suggested.

April Current version: Sufficient information on test conditions will be available to determine applicability of the friction data to the engineer’s specific needs. This guide is intended to promote the use of thisstandard reporting system and standard friction test methods. G 40— 93 3. These databases can be searched for material couples andtribosystems of interest. This breakaway force is commonlyused to calculate static friction Fig.

Any of atsm listed tests or other acceptedtests may be used. Each triboelementcontains one or more tribosurfaces. We are always happy to assist you.

ASTM G115-10.pdf

In this case an elastic frictionmeasuring system would be appropriate. General friction testing precautions are citedand a prescribed method of recording friction data is recom-mended.

A superscript epsilon e indicates an editorial change since the last revision or reapproval. Blocking is a term used to describe thetendency of some plastic materials to stick to each other afterlong periods of contact.

Historical Version s – view previous versions of standard.