ISO 180 AMD 1-2006 塑料.伊佐德氏(Izod)冲击强度的测定.修改件1

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                   【英文标准名称】:     Plastics - Determination of Izod impact strength; Amendment 1            【原文标准名称】:     塑料.伊佐德氏(Izod)冲击强度的测定.修改件1            【标准号】:     ISO 180 AMD 1-2006            【标准状态】:     现行            【国别】:     国际            【发布日期】:     2006-12    【实施或试行日期】: 【发布单位】: 国际标准化组织(IX-ISO)【起草单位】: ISO/TC 61【标准类型】: ()【标准水平】: ()【中文主题词】: 脆性;复合材料;测定;抗冲击(强度);冲击强度;仪器;伊佐德氏;伊兆特冲击试验;材料;材料试验;塑料;聚合体;试样制备;试验设备;试样;试验;热塑性聚合物;热固性聚合物;韧性【英文主题词】: Brittleness;Composite materials;Definitions;Determination;Impact resistance;Impact strength;Instruments;Izod;Izod impact tests;Materials;Materials testinglasticsolymers;Specimen preparation;Test equipment;Test specimens;Testing;Thermoplastic polymers;Thermosetting polymers;Toughness【摘要】: This International Standard specifies a method for determining the Izod impact strength of plastics underdefined conditions. A number of different types of specimen and test configurations are defined. Different testparameters are specified according to the type of material, the type of test specimen and the type of notch.The method is used to investigate the behaviour of specified types of specimen under the impact conditionsdefined and for estimating the brittleness or toughness of specimens within the limitations inherent in the testconditions.The method is suitable for use with the following range of materials:
rigid thermoplastic moulding and extrusion materials, including filled and reinforced compounds in addition tounfilled types; rigid thermoplastics sheets;
rigid thermosetting moulding materials, including filled and reinforced compounds; rigid thermosetting sheets,including laminates;
fibre-reinforced thermosetting and thermoplastic composites incorporating unidirectional or non-unidirectionalreinforcements such as mat, woven fabrics, woven rovings, chopped strands, combination and hybridreinforcements, rovings and milled fibres and sheet made from pre-impregnated materials (prepregs);
thermotropic liquid-crystal polymers.The method is not normally suitable for use with rigid cellular materials and sandwich structures containingcellular material. Also, notched specimens are not normally used for long-fibre-reinforced composites orthermotropic liquid-crystal polymers.The method is suited to the use of specimens which may be either moulded to the chosen dimensions,machined from the central portion of a standard multipurpose test specimen (see ISO 3167) or machined fromfinished or semifinished products such as mouldings, laminates and extruded or cast sheet.The method specifies preferred dimensions for the test specimen. Tests which are carried out on specimensof different dimensions or with different notches, or specimens which are prepared under different conditions, mayproduce results which are not comparable. Other factors, such as the energy capacity of the apparatus, its impactvelocity and the conditioning of the specimens can also influence the results. Consequently, when comparativedata are required, these factors must be carefully controlled and recorded.The method should not be used as a source of data for design calculations. Information on the typicalbehaviour of a material can be obtained, however, by testing at different temperatures, by varying the notch radiusand/or the thickness and by testing specimens prepared under different conditions.【中国标准分类号】: G31【国际标准分类号】: 83_080_01【页数】: 2P.;A4【正文语种】: 英语         
         

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