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AENOR - UNE-EN 29053 - ACOUSTICS. MATERIALS FOR ACOUSTICAL APPLICATIONS. DETERMINATION OF AIRFLOW RESISTANCE. (ISO 9053:1991) Organization: AENOR
Date: 1994-07-06
SN - NS-ISO 9053:1991 - ACOUSTICS - MATERIALS FOR ACOUSTICAL APPLICATIONS - DETERMINATION OF AIRFLOW RESISTANCE - (= EN 29053:1993) (ISO 9053:1991) Organization: SN
Date: 1993-05-01
DIN EN 29053 - ACOUSTICS; MATERIALS FOR ACOUSTICAL APPLICATIONS; DETERMINATION OF AIRFLOW RESISTANCE (ISO 9053:1991); GERMAN VERSION EN 29053:1993 Organization: DIN
Date: 1993-05-01
DIN EN 29053 - ACOUSTICS; MATERIALS FOR ACOUSTICAL APPLICATIONS; DETERMINATION OF AIRFLOW RESISTANCE (ISO 9053:1991); GERMAN VERSION EN 29053:1993 Organization: DIN
Date: 1993-05-01
GMW14196 - POLYURETHANE FOAMS FOR ACOUSTIC APPLICATIONS - ISSUE 4; ENGLISH Organization: GMW
Date: 2016-05-01
Description: This specification shall encompass polyurethane foams used for acoustical applications throughout the vehicle. These polyurethane foams may be used for vibration damping, noise and shock isolation, and spacers for part retention with acoustical requirements.
DS/EN ISO 11666 - NON-DESTRUCTIVE TESTING OF WELDS – ULTRASONIC TESTING – ACCEPTANCE LEVELS (ISO 11666:2018) Organization: DS
Date: 2018-02-26
Description: It can also be used for other types of welds, materials and thicknesses, provided the tests have been performed with necessary consideration of the geometry and acoustic properties of the component, and an adequate sensitivity can be employed to enable the acceptance levels of this document to be applied.
DSF/FPREN ISO 11666 - NON-DESTRUCTIVE TESTING OF WELDS – ULTRASONIC TESTING – ACCEPTANCE LEVELS (ISO/FDIS 11666:2017) Organization: DS
Description: It can also be used for other types of welds, materials and thicknesses, provided the examinations have been performed with necessary consideration of the geometry and acoustic properties of the component, and an adequate sensitivity can be employed to enable the acceptance levels of this International Standard to be applied.
DSF/PREN ISO 11666 - NON-DESTRUCTIVE TESTING OF WELDS – ULTRASONIC TESTING – ACCEPTANCE LEVELS (ISO/DIS 11666:2017) Organization: DS
Description: It can also be used for other types of welds, materials and thicknesses, provided the examinations have been performed with necessary consideration of the geometry and acoustic properties of the component, and an adequate sensitivity can be employed to enable the acceptance levels of this International Standard to be applied.
DIN EN ISO 11666 - NON-DESTRUCTIVE TESTING OF WELDS - ULTRASONIC TESTING - ACCEPTANCE LEVELS (ISO 11666:2018) Organization: DIN
Date: 2018-05-01
Description: It can also be used for other types of welds, materials and thicknesses, provided the tests have been performed with necessary consideration of the geometry and acoustic properties of the component, and an adequate sensitivity can be employed to enable the acceptance levels of this document to be applied.
DS/ISO 18437-4 - MECHANICAL VIBRATION AND SHOCK - CHARACTERIZATION OF THE DYNAMIC MECHANICAL PROPERTIES OF VISCO-ELASTIC MATERIALS - PART 4: DYNAMIC STIFFNESS METHOD Organization: DS
Date: 2011-10-01
Description: The method presented in this standard allows performing the measurements under any static pre-load allowed for the test sample (including the sample having the non-linear characteristics under different static loads), but under the small dynamic (acoustic) strains, i.e. in limits when the linear properties of test material are not distorted.
NEN-ISO 18437-4 - MECHANICAL VIBRATION AND SHOCK - CHARACTERIZATION OF THE DYNAMIC MECHANICAL PROPERTIES OF VISCO-ELASTIC MATERIALS - PART 4: DYNAMIC STIFFNESS METHOD Organization: NEN
Date: 2008-06-01
Description: The method presented in this part of ISO 18437 allows measurement under any static pre-load allowed for the test piece (including the test piece having the non-linear characteristics under different static loads), but under small dynamic (acoustic) strains, i.e., in limits where the linear properties of the test piece are not distorted.
ISO - ISO 18437-4 - MECHANICAL VIBRATION AND SHOCK - CHARACTERIZATION OF THE DYNAMIC MECHANICAL PROPERTIES OF VISCO-ELASTIC MATERIALS - PART 4: DYNAMIC STIFFNESS METHOD - FIRST EDITION Organization: ISO
Date: 2008-06-01
Description: The method presented in this part of ISO 18437 allows measurement under any static pre-load allowed for the test piece (including the test piece having the non-linear characteristics under different static loads), but under small dynamic (acoustic) strains, i.e., in limits where the linear properties of the test piece are not distorted.
DIN EN ISO 16828 - NON-DESTRUCTIVE TESTING - ULTRASONIC TESTING - TIME-OF-FLIGHT DIFFRACTION TECHNIQUE AS A METHOD FOR DETECTION AND SIZING OF DISCONTINUITIES (ISO 16828:2012) Organization: DIN
Date: 2014-06-01
Description: It can also be used for other types of materials, provided the application of the TOFD technique is performed with necessary consideration of geometry, acoustical properties of the materials, and the sensitivity of the examination.
ISO - ISO 18437-5 - MECHANICAL VIBRATION AND SHOCK — CHARACTERIZATION OF THE DYNAMIC MECHANICAL PROPERTIES OF VISCO-ELASTIC MATERIALS — PART 5: POISSON RATIO BASED ON COMPARISON BETWEEN MEASUREMENTS AND FINITE ELEMENT ANALYSIS - FIRST EDITION Organization: ISO
Date: 2011-04-15
Description: For the purposes of this part of ISO 18437, and within the framework of ISO/TC 108, the term dynamic mechanical properties refers to the determination of the fundamental elastic properties, e.g. the complex Young modulus and Poisson ratio, as a function of temperature and frequency. This part of ISO 18437 is applicable to resilient materials that are used in vibration isolators in order to reduce: a) transmission of audio frequency vibrations to a structure, e.g. radiating fluid-borne sound (airborne, structure-borne, or other); b) transmission of low-frequency vibrations which can, for example, act upon humans or cause damage to structures or equipment when the vibration is too severe.
DS/ISO 20998-3 - MEASUREMENT AND CHARACTERIZATION OF PARTICLES BY ACOUSTIC METHODS – PART 3: GUIDELINES FOR NON-LINEAR THEORY Organization: DS
Date: 2017-04-24
Description: ISO 20998-3:2017 gives guidelines for ultrasonic attenuation spectroscopy methods for determining the size distributions of one or more material phases dispersed in a liquid at high concentrations, where the ultrasonic attenuation spectrum is not a linear function of the particle volume fraction.
NEN-ISO 20998-3 - MEASUREMENT AND CHARACTERIZATION OF PARTICLES BY ACOUSTIC METHODS - PART 3: GUIDELINES FOR NON-LINEAR THEORY Organization: NEN
Date: 2017-04-01
Description: NEN-ISO 20998-3 gives guidelines for ultrasonic attenuation spectroscopy methods for determining the size distributions of one or more material phases dispersed in a liquid at high concentrations, where the ultrasonic attenuation spectrum is not a linear function of the particle volume fraction.
NEN-ISO 20998-1 - MEASUREMENT AND CHARACTERIZATION OF PARTICLES BY ACOUSTIC METHODS - PART 1: CONCEPTS AND PROCEDURES IN ULTRASONIC ATTENUATION SPECTROSCOPY Organization: NEN
Date: 2006-08-01
Description: This part of ISO 20998 describes ultrasonic methods for determining the size distributions of one or more material phases dispersed in a liquid.
TSE - TS EN 1794-3 - ROAD TRAFFIC NOISE REDUCING DEVICES - NON-ACOUSTIC PERFORMANCE - PART 3: REACTION TO FIRE - BURNING BEHAVIOUR OF NOISE REDUCING DEVICES AND CLASSIFICATION Organization: TSE
Date: 2016-12-09
Description: For noise reducing devices, this European Standard gives amethod how to handle substantial components of non-homogeneousproducts (as defined in EN 13501-1 and ISO/DIS 5659-2:2016) and howto handle non-homogeneous products and in which cases the influenceof non-substantial components on the total result of theclassification may be neglected.
CEN - PREN 1794-3 - ROAD TRAFFIC NOISE REDUCING DEVICES - NON-ACOUSTIC PERFORMANCE - PART 3: REACTION TO FIRE - BURNING BEHAVIOUR OF NOISE REDUCING DEVICES AND CLASSIFICATION Organization: CEN
Date: 2014-04-01
Description: For noise reducing devices, this European Standard gives a method how to handle substantial components of non-homogeneous products (as defined in EN 13501-1 and ISO 5659-2) and how to handle nonhomogeneous products and in which cases the influence of non-substantial components on the total result of the classification may be neglected.
NEN-EN 1794-3 - ROAD TRAFFIC NOISE REDUCING DEVICES - NON-ACOUSTIC PERFORMANCE - PART 3: REACTION TO FIRE - BURNING BEHAVIOUR OF NOISE REDUCING DEVICES AND CLASSIFICATION Organization: NEN
Date: 2016-08-01
Description: For noise reducing devices, this European Standard gives a method how to handle substantial components of non-homogeneous products (as defined in EN 13501-1 and ISO/DIS 5659-2:2016) and how to handle non-homogeneous products and in which cases the influence of non-substantial components on the total result of the classification may be neglected.

1 - 20 of 48 results