SIST EN 14869-1:2011 PDF

Name: SIST EN 14869-1:2011 — Structural adhesives - Determination of shear behaviour of structural bonds - Part 1: Torsion test method using butt-bonded hollow cylinders (ISO 11003-1:2001, modified)
SKU: SIST EN 14869-1:2011
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Structural adhesives - Determination of shear behaviour of structural bonds - Part 1: Torsion test method using butt-bonded hollow cylinders (ISO 11003-1:2001, modified)

Название (английский):

SIST EN 14869-1:2011

Structural adhesives - Determination of shear behaviour of structural bonds - Part 1: Torsion test method using butt-bonded hollow cylinders (ISO 11003-1:2001, modified)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 13
Дата публикации:: 2 июня 2011 г.
ICS:: 83.180
Технический комитет:: IPMA - Polimer materials and products

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Описание (английский):

This European Standard specifies a shear test for the characterization of adhesives in a bond. The shear stress/strain properties of the adhesive (including the shear modulus) are useful for advanced design work, e.g. in finite element analysis methods.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN 14869-1:2011 - "Structural adhesives - Determination of shear behaviour of structural bonds - Part 1: Torsion test method using butt‑bonded hollow cylinders" (modified from ISO 11003‑1:2001) specifies a standardized torsion test to characterize the shear stress/strain behaviour of structural adhesives in bonded joints. The method yields the adhesive shear modulus and shear strength data used for advanced design and analysis, including input for finite element analysis (FEA).

Key topics and technical requirements

Principle: Measure torque and relative displacement while twisting two butt‑bonded hollow cylinders until the joint reaches a target deformation or fails. Derive shear stress and shear strain for the adhesive layer and calculate shear modulus from the linear portion of the stress–strain curve.

Specimen geometry: Recommended specimen sizes A, B, C with outer/inner radii (ro/ri): A (36/24 mm), B (30/20 mm), C (12/10 mm). Bond width should be ≥10 × bond thickness; preferred bond thickness 0.20 mm (range 0.05–0.5 mm for special adhesives).

Adherend material: Aluminium alloy or steel recommended; adherend shear modulus must be ≥10× adhesive shear modulus.

Bonding and alignment: Coaxial alignment with maximum lateral displacement ≤ 0.002·ro and bond thickness variation ≤ 5%. Use surface preparation per EN 13887 or methods to ensure cohesive adhesive failure.

Test apparatus: Torsion machine capacity ≥ 300 N·m (preferably 1 000 N·m). Displacement sensor range 2 µm–1 000 µm, accuracy ±1 µm. Temperature chamber required for non‑ambient tests.

Test conditions: Test temperature as per EN ISO 291 (specimen temperature measured within ±1 °C). Shear rate range 0.0005 s‑1 to 0.02 s‑1 (preferred 0.01 s‑1).

Repetition and reporting: Minimum five specimens. Test report must reference EN 14869‑1 and include adhesive ID, adherend material, surface prep, bonding details, bond thickness, temperature, individual and averaged results (shear modulus, peak shear stress/strain), failure observations (per EN ISO 10365), and any deviations.

Applications and users

Provides quantitative shear properties for adhesives used in structural bonding.

Primary users:

Adhesive manufacturers (product characterization, quality control)
Test laboratories (type testing, certification)
Design and simulation engineers (FEA material input)
Aerospace, automotive, marine and construction engineers evaluating bonded joints

Useful for R&D, material selection, failure analysis and validating adhesive models in structural simulations.

Related standards

EN 13887 - surface preparation for metal/plastic prior to bonding

EN 923 / EN 923:2005+A1:2008 - adhesive terminology and terms

EN ISO 291 - standard atmospheres for conditioning and testing

EN ISO 10365 - designation of main failure patterns

Keywords: EN 14869-1, structural adhesives, torsion test, shear behaviour, hollow cylinders, shear modulus, finite element analysis, adhesive testing.

SIST EN 14869-1:2011 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and users

Related standards

Технические детали

EN 14869-1:2011

Structural adhesives - Determination of shear behaviour of structural bonds - Part 1: Torsion test method usi…

ISO 11003-1:2001

Adhesives — Determination of shear behaviour of structural adhesives — Part 1: Torsion test method using butt…

BS ISO 2910:2018

Cinematography. Screen luminance and chrominance for the projection of film motion pictures.

SIST EN ISO 10365:2022

Adhesives - Designation of main failure patterns (ISO 10365:2022)