Реферат

This test method covers the determination of the comparative cleavage strength properties of metal-to-metal adhesive bonds. The testing machine shall be capable of maintaining the rate of loading and shall compose of fixed member, movable member, and grips. Test specimens shall consist of metal pieces glued together according to the prescribed dimensions indicated in this standard method. Recommended metal specimens are the following: brass, copper, aluminum, steel, and phosphor bronze. Bonding and conditioning of specimen shall be done according to the procedure specified by the manufacturer of the adhesive. Testing procedure shall be in accordance to the load rate limits specified in this standard method. Cleavage strength shall be expressed in pounds per inch and shall be reported in three significant figures in addition to the following information: adhesive identification, preparation method, adhesive layer thickness, conditioning procedure used, testing room condition, specimen number, and loading rate.

Область применения

1.1 This test method covers the determination of the comparative cleavage properties of adhesive bonds when tested on standard shape metal specimens under specified conditions of preparation and testing. It may be used also to compare adhesives used with other metallic materials having any specified surface treatment.

1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

A—Upper gripC—Lower grip B—Pin connecting upper and lower gripsD—Pin for attaching grip to specimen mm
(in.)2.3
(³/₃₂)4.5
(³/₁₆)6
(¼ )7.5
(⁵/₁₆)9
(³/₈)10.5
(⁷/₁₆)12.7
(½)18.5
(¹³/₁₆)19
(¾ )21
(⁷/₈)28
(1¹/₈)30
(1³/₁₆)38
(1½ )44
(1¾ )

FIG. 1 Details of Test Grips