ISO 10365-2022 pdf free download – Adhesives — Designation of main failure patterns

02-08-2022 comment

ISO 10365-2022 pdf free download – Adhesives — Designation of main failure patterns.
This document specifies the designations for the main types of failure pattern of bonded assembliesand illustrates, through diagrams, their respective appearances.
This document applies to all mechanical tests performed on a bonded assembly,regardless of the natureof the adherends and adhesive which make up the assembly.
2Normative references
The following documents are referred to in the text in such a way that some or all of their contentconstitutes requirements of this document. For dated references,only the edition cited applies.Forundated references, the latest edition of the referenced document (including any amendments) applies.ISO 472,Plastics — Vocabulary
3Terms and definitions
For the purposes of this document, the terms and definitions given in IS0 472 and the following apply.ISo and lEC maintain terminology databases for use in standardization at the following addresses:-ISO Online browsing platform: available at
—IEC Electropedia: available at
<for adhesives> group of materials or parts, including adhesive, which have been placed together forbonding or which have been bonded together
adhesion failureadhesive failure
rupture of an adhesive bond in which the separation appears visually to be at the adhesive/adherendinterface
cohesion failurecohesive failure
rupture of a bonded assembly in which the separation appears visually to be in the adhesive or theadherend
4 Application
The designation of the failure patterns is provided to classify failures in order to understand betterthe result of any mechanical test of adhesion on a bonded assembly, which is usually expressed byquantitative measured values.
The failure patterns are designated in accordance with the illustrations in Table 1.
lf more than one type of failure occurs, an approximate percentage for each type of failure pattern shallbe given after each designation (see Figure 1).
lf a delamination failure occurs (i.e.the coating tears off the adherend), the designation (DF) shall befollowed by the nature of the coating.
NOTE1 Types of coating include primer, varnish, paint, phosphatization, etc.
When an oscillating failure of two patterns occurs, it is indicated by adding “OSC” after the descriptionof the failure patterns:
AF(50 %)+CF(50 %),osc
NOTE2 The slip-stick mode of oscillating failure is typical of a system constituted by an elastic adherend andan adhesive which can undergo a transition between different failure mechanisms(cohesion and adhesion failureor ductile and brittle-cohesion failure), elastic energy being periodically stored and released by the adherend.Figure 2 illustrates a typical pattern of oscillating cohesion and adhesion failure.
Examination of the surface using a suitable instrument may enable the different types of failure pattern to be better distinguished.ISO 10365 pdf download.

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