2 Mar This standard is issued under the fixed designation D /D M; 1 This test method is under the jurisdiction of ASTM Committee D30 on. ASTM D – Air Permeability of Textile Fabrics . Reference: ASTM D – Standard Test Method for Moisture Absorption Properties and Equilibrium. Astm D – Download as PDF File .pdf), Text File .txt) or read online. Standard Test Method for Moisture Absorption Properties and Equilibrium Conditioning.
|Published (Last):||24 February 2015|
|PDF File Size:||19.78 Mb|
|ePub File Size:||14.90 Mb|
|Price:||Free* [*Free Regsitration Required]|
Properties determined in the latter manner shall be reported as apparent properties. Enabling you to identify and mitigate the astm d5229 risk in your operations, supply chains and business processes.
Auditing Consulting Sourcing Training. Moisture Absorption of Matrix Composites ASTM D is a gravimetric test method that monitors change astm d5229 time of moisture content by measuring the total mass change of a coupon that is sstm to a specified environment. The specimens are then weighed on an analytical balance to the nearest 0. While intended primarily for laminated astj matrix composite materials, these procedures are also applicable to other materials that satisfy astm d5229 assumptions of 1.
Need help or have astm d5229 question?
Moisture Absorption of Matrix Composites by ASTM D5229
While the test procedures themselves may be used for multi-phase materials, the calculations astm d5229 to determine the moisture diffusivity constant in Procedure A astm d5229 applicable only to single-phase materials.
Note 2 — For many polymer matrix composites the moisture absorption properties under atmospheric humid conditions are generally not equivalent to exposure either to liquid immersion or to pressurized steam. Procedure D covers the conditioning of astm d5229 coupons to an essentially moisture-free condition. Other examples of materials and test conditions that may not meet the requirements are discussed in Section 6.
ASTM D5229/D5229M – 14
The side edges are then sealed to prevent moisture astm d5229 through the sides. While intended primarily for laminated polymer astm d5229 composite materials, these procedures are also applicable to other materials that satisfy the assumptions of 1.
Also astm d5229 are procedures astm d5229 conditioning test coupons prior to use in other test methods; either to an essentially moisture-free state, to equilibrium in a standard laboratory atmosphere environment, or to equilibrium in a non-laboratory environment. Astm d5229 specimens are astm d5229 placed in the appropriate conditioning environment. Note 1 — For many polymer matrix composites the moisture diffusivity is usually only weakly related to relative humidity and is often assumed astm d5229 be a function only of temperature, usually following an Arrhenius-type exponential relation with inverse absolute temperature.
Validating the specifications, value and safety of your raw materials, products and assets. What is Third Party Certification and Accreditation for the food industry? The specimens are then dried, removed from the drying oven, and allowed to cool in a desiccator. Select from list below: Through our network of over 43, astm d5229 in 1, laboratories and offices in countries, Intertek provides quality and safety solutions to a wide range of industries around the world.
These latter environments may have different material diffusion characteristics. Multiple tests at differing moisture exposure levels are required to establish the dependence of M m on moisture exposure level. Procedure B covers general moisture conditioning of material coupons prior to any other material property testing.
Link to Active This link will always route to the current Active version of the standard.
Moisture Absorption of Matrix Composites by ASTM D
Due to the very large number of tests offered, descriptions of those most commonly requested have been gathered into the following groups: Multiple tests at differing temperatures are required to asym the dependence of D z on temperature. Assurance Enabling you to identify and mitigate the intrinsic risk in your operations, supply chains and business processes. Other examples astm d5229 materials and test conditions that may astm d5229 meet the requirements e5229 discussed in Section 6.
Also covered are procedures for conditioning test coupons prior to use in other test methods; either to astm d5229 essentially moisture-free state, to equilibrium in a standard astm d5229 atmosphere environment, or to equilibrium in a non-laboratory environment.
Testing Evaluating how your products and services meet and exceed quality, safety, sustainability and performance standards. Touchstone Research Laboratory, Ltd. Within ASTM D there are three other procedures covering asym conditioning within a specific moisture environment. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
This procedure is repeated until astm d5229 is astm d5229 discernable increase in specimen weight. While the test procedures themselves may be used for multi-phase materials, the calculations asstm to determine the moisture diffusivity constant in Procedure A are applicable only to single-phase materials.
Evaluating how your products and services meet and exceed quality, safety, sustainability and performance standards.
Link to Active This link axtm always route to the current Active version of the standard. Combining astm d5229 from the two systems may result in nonconformance with the standard.
Whether your business is local or global, we can ensure your atsm meet quality, health, environmental, safety, and social accountability standards for virtually any market around the world. Due to the very large number of tests offered, descriptions of those most commonly requested have been gathered into the following groups:. Astm d5229 Validating the specifications, value and safety of your raw materials, products and assets.
Formally confirming that your products and services meet all trusted external and internal standards. ASTM D testing provides a aastm of procedures in order to determine the moisture aastm or astm d5229 properties. The values stated in each system are not exact equivalents; therefore, each system must be used independently of ashm other. Global Reach Intertek is the industry leader with over 43, people in 1, locations in over countries.
Also included are procedures astm d5229 determining the astm d5229 loss during elevated temperature testing, as well as moisture loss resulting from thermal exposure after astm d5229 from the conditioning environment, such as ast, strain gage bonding. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
A reinforced polymer matrix composite material tested below astm d5229 glass-transition temperature typically meets this requirement, although two-phase matrices such as toughened epoxies may require a multi-phase moisture absorption astm d5229.
Immersion in a liquid bath should be used to simulate atsm exposure only when apparent absorption properties are desired for qualitative purposes.
The validity of the equations used in Procedure A for evaluating the moisture diffusivity constant in a material of previously unknown moisture absorption behavior is uncertain prior to the test, as the test results themselves determine if the material follows the single-phase Fickian diffusion model. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Send us a astm d5229 Need help or have a question? Certification Formally confirming that your products and services meet all trusted external and internal standards.