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Plastics — Determination of temperature of deflection under load — Part 1: General test method
| 분야 | ISO/TC 61/SC 2 : Mechanical behavior |
|---|---|
| 적용범위 | 1.1 This document gives a general test method for the determination of the temperature of deflection under load (flexural stress under three-point loading) of plastics. Different types of test specimen and different constant loads are defined to suit different types of material. 1.2 ISO 75-2 gives specific requirements for plastics (including filled plastics and fibre-reinforced plastics in which the fibre length, prior to processing, is up to 7,5 mm) and ebonite, while ISO 75-3 gives specific requirements for high-strength thermosetting laminates and long-fibre-reinforced plastics in which the fibre length, prior to processing, is greater than 7,5 mm. 1.3 The methods specified are suitable for assessing the relative behaviour of different types of material at elevated temperature under load at a specified rate of temperature increase. The results obtained do not necessarily represent maximum applicable temperatures because, in practice, essential factors, such as time, loading conditions and nominal surface stress, can differ from the test conditions. True comparability of data can only be achieved for materials having the same room-temperature flexural modulus. 1.4 The methods specify preferred dimensions for the test specimens. 1.5 Data obtained using the test methods described are not intended to be used to predict actual end-use performance. The data are not intended for design analysis or prediction of the endurance of materials at elevated temperatures. 1.6 This method is commonly known as the heat deflection temperature or heat distortion temperature (HDT) test, although there is no official document using this designation. |
| 국제분류(ICS)코드 | 83.080.01 : 플라스틱 일반 |
| 페이지수 | 10 |
| Edition | 4 |
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ISO 75-1:2020 | Plastics — Determination of temperature of deflection under load — Part 1: General test method | 2020-02-28 | 표준 |
| 2 | ISO 75-1:2013 | Plastics — Determination of temperature of deflection under load — Part 1: General test method | 2013-04-09 | 구판 |
| 3 | ISO 75-1:2004 | Plastics — Determination of temperature of deflection under load — Part 1: General test method | 2004-05-12 | 구판 |
| 4 | ISO 75-1:1993 | Plastics -- Determination of temperature of deflection under load -- Part 1: General test method | 1993-08-26 | 구판 |
ISO/DIS 75-3 - Plastics — Determination of temperature of deflection under load — Part 3: High-strength thermosetting laminates and long-fibre-reinforced plastics 상세보기
ISO 75-3:2004 - Plastics — Determination of temperature of deflection under load — Part 3: High-strength thermosetting laminates and long-fibre-reinforced plastics 상세보기
ISO 75-2:2013 - Plastics — Determination of temperature of deflection under load — Part 2: Plastics and ebonite 상세보기
ASTM D790-17 - Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials 상세보기
ASTM D648-18 - Standard Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position 상세보기
ASTM D1693-15e1 - Standard Test Method for Environmental Stress-Cracking of Ethylene Plastics 상세보기
ISO 75-2:2013 - Plastics — Determination of temperature of deflection under load — Part 2: Plastics and ebonite 상세보기
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