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EN ISO 6721-1:2011

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Plastics - Determination of dynamic mechanical properties - Part 1: General principles (ISO 6721-1:2011)
Superseded date

06-05-2019

Published date

05-15-2011

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Test apparatus
6 Test specimens
7 Number of test specimens
8 Conditioning
9 Procedure
10 Expression of results
11 Precision
12 Test report
Annex A (informative) - Resonance curves
Annex B (informative) - Deviations from linear behaviour
Bibliography

The various parts of ISO 6721 specify methods for the determination of the dynamic mechanical properties of rigid plastics within the region of linear viscoelastic behaviour. ISO 6721-1:2011 is an introductory section which includes the definitions and all aspects that are common to the individual test methods described in the subsequent parts.Different deformation modes may produce results that are not directly comparable. For example, tensile vibration results in a stress which is uniform across the whole thickness of the specimen, whereas flexural measurements are influenced preferentially by the properties of the surface regions of the specimen.Values derived from flexural-test data will be comparable to those derived from tensile-test data only at strain levels where the stress-strain relationship is linear and for specimens which have a homogeneous structure.

Committee
CEN/TC 249
DevelopmentNote
Supersedes PREN ISO 6721-1. (08/2011)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy
Supersedes

DIN EN 14598-3:2005-07 Reinforced thermosetting moulding compounds - Specification for Sheet Moulding Compound (SMC) and Bulk Moulding Compound (BMC) - Part 3: Specific requirements
DIN EN 14598-2:2005-07 Reinforced thermosetting moulding compounds - Specification for Sheet Moulding Compound (SMC) and Bulk Moulding Compound (BMC) - Part 2: Methods of test and general requirements
EN 12080:2017 Railway applications - Axleboxes - Rolling bearings
DIN EN 12080:2015-06 (Draft) RAILWAY APPLICATIONS - AXLEBOXES - ROLLING BEARINGS
BS EN 12080:2017 Railway applications. Axleboxes. Rolling bearings
BS EN 14598-2:2005 Reinforced thermosetting moulding compounds. Specification for sheet moulding compound (SMC) and bulk moulding compound (BMC) Methods of test and general requirements
I.S. EN 12080:2017 RAILWAY APPLICATIONS - AXLEBOXES - ROLLING BEARINGS
DIN EN 12080:2017-11 Railway applications - Axleboxes - Rolling bearings
VDI 3830 Blatt 5:2005-11 Damping of materials and members - Experimental techniques for the determination of damping characteristics
VDI 3830 Blatt 1:2004-08 Damping of materials and members - Classification and survey
02/124520 DC : DRAFT DEC 2002 EN 14598-3 - REINFORCED THERMOSETTING MOULDING COMPOUNDS - SPECIFICATION FOR SHEET MOULDING COMPOUND (SMC) AND BULK MOULDING COMPOUND (BMC) - PART 3: SPECIFIC REQUIREMENTS
BS EN 14598-3:2005 Reinforced thermosetting moulding compounds. Specification for sheet moulding compound (SMC) and bulk moulding compound (BMC) Specific requirements
EN 14598-2:2005/AC:2006 REINFORCED THERMOSETTING MOULDING COMPOUNDS - SPECIFICATION FOR SHEET MOULDING COMPOUND (SMC) AND BULK MOULDING COMPOUND (BMC) - PART 2: METHODS OF TEST AND GENERAL REQUIREMENTS
EN 14598-3:2005 Reinforced thermosetting moulding compounds - Specification for Sheet Moulding Compound (SMC) and Bulk Moulding Compound (BMC) - Part 3: Specific requirements
02/124519 DC : DRAFT DEC 2002 EN 14598-2 - REINFORCED THERMOSETTING MOULDING COMPOUNDS - SPECIFICATION FOR SHEET MOULDING COMPOUND (SMC) AND BULK MOULDING COMPOUND (BMC) - PART 2: METHODS OF TEST AND GENERAL REQUIREMENTS

ISO 6721-2:2008 Plastics Determination of dynamic mechanical properties Part 2: Torsion-pendulum method
ISO 293:2004 Plastics — Compression moulding of test specimens of thermoplastic materials
ISO 295:2004 Plastics — Compression moulding of test specimens of thermosetting materials
ISO 472:2013 Plastics Vocabulary
ISO 291:2008 Plastics Standard atmospheres for conditioning and testing
ISO 2818:1994 Plastics — Preparation of test specimens by machining
ISO 4593:1993 Plastics Film and sheeting Determination of thickness by mechanical scanning

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