BS ISO 11003-1:2019 pdf download

12-15-2020 comment

BS ISO 11003-1:2019 pdf free download.Adhesives — Determination of shear behaviour of structural adhesives — Part 1: Torsion test method using butt-bonded hollow cylinders.
This third edition cancels and replaces the second edition (ISO 11003-1:2001), which has been technically revised. The main changes compared to the previous edition are as follows:
— correction of the formula for angular displacement in 7.2:
— updated references.
BS ISO 11003-1:2019 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, such as in finite element analysis methods.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 291. Plastics — Standard atmospheres for conditioning and testing
ISO 10365. Adhesives — Designation of main failure patterns
ISO 17212, Structural adhesives — Guidelines for the surface preparation of metals and plastics prior to adhesive bonding.
4 Principle
The shear deformation of the adhesive in an annular bond between two hollow cylinders, and the
corresponding torque, are measured and recorded up to failure of the joint.
5 Apparatus
5.1 Torsion-testing machine, with a capacity of at least 300 Nm and preferably of 1 000 N•m. Alternatively, a suitably adapted tensile-testing machine may be used. The machine shall Include equipment for recording the torque instantaneously with an error of less than 1 %. The gripping heads shall be accurately aligned and, if no hydraulic gripping mechanism is available, all bolts and holes shall be precisely machined so that the specimens are mounted in the apparatus and tested free of uncontrolled loads. The machine shall be equipped with an adequately thermostatted chamber if tests are to be carried out at temperatures different from the ambient temperature.

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