ISO527-2塑料拉伸性能測(cè)試方法

1、塑料拉伸性能的測(cè)定第二部分：模塑和擠塑塑料的試驗(yàn)條件1范圍1.1GB/T 1040的本部分在第1部分基礎(chǔ)上規(guī)定了用于測(cè)定模塑和擠塑塑料拉伸性能的實(shí)驗(yàn) 條件。1.2本部分適合下述范圍的材料：-硬質(zhì)和半硬質(zhì)的熱塑性模塑、擠塑和鑄塑材料，除未填沖類型外還包括列入用短纖棒、 細(xì)棒、小薄片或細(xì)粒料填充和增強(qiáng)的復(fù)合材料，但不包括紡織纖維增強(qiáng)的復(fù)合材料；-硬質(zhì)和半硬質(zhì)熱固性模塑和鑄塑材料，包括填充和增強(qiáng)的復(fù)合材料，但不包括紡織纖維增強(qiáng)的復(fù)合材料；-熱致液晶聚合物。本部分不適用于紡織纖維增強(qiáng)的復(fù)合材料、硬質(zhì)微孔材料或含有微孔材料夾層結(jié)構(gòu)的材料2.名詞和定義見(jiàn) ISO 527-1:2012，章節(jié) 33原理和方法

2、見(jiàn) ISO 527-1:2012，章節(jié) 44儀器4.1概述見(jiàn) ISO 527-1:2012，章節(jié) 5,特別是 5.1.1 致 5.1.44.2引伸計(jì)4.3測(cè)試記錄裝置5測(cè)試樣品5.1形狀和尺寸只要可能，試樣應(yīng)為如圖一所示的1A型和1B型的啞鈴型試樣，直接模塑的多用途試樣選擇1A型，機(jī)加工試樣選擇 1B型。關(guān)于使用小試樣時(shí)的規(guī)定，見(jiàn)附錄 A/ISO 20753注：具有4mm厚的IA型和1B型試樣分別和ISO 3167規(guī)定的A型和B型多用途試樣相同。與 ISO 20753 的A1和A2也相同F(xiàn)igure 1 Type 1A and 1B test specimensSpeciinen type1A

3、1B0Overall length3170S1504Length of narrow parallel-«ic)e porticn&01260.0 ± 0,5rRadius24 ± 160 ± 0,5Distance between broad parallebsided portions &109,3 ±3衛(wèi)1DB± 1,6如Width at ends20,0 ± 0,2加Widtih at narrow portion10,010,2hPreferred Ihickness4.0 ± 0,2Zr

4、QGaugie length (preferred)Gauge length (acceptable if required for quality control or y/hen s.pecified)75,0 ± 0,550.0 ±0.550,0 ± 0,5LInitial distance between grips115± 1115 ± 1a The rec commended overall len-gfth of 170 mm of rhe type 1A is consislent wilih ISO 294-1 and ISO

5、 10724'1. For some materials, lhe Icngih of the tabs may need M be extended (e.g. /j = 200 mm) to prevent breakage ar slippage ih the jaws of the testing maclhine.b+ 42- bn)-(白2凱的resulting from 凡.匕 & sand 0. but within lhe indicated toterances.Table 1 Dimensions of type 1A and 1B teu specime

6、nsDimen&ionB in millimetres5.2試樣的制備應(yīng)按照相關(guān)材料規(guī)范制備試樣，當(dāng)無(wú)規(guī)范或無(wú)其他規(guī)定時(shí)，應(yīng)按 ISO293、ISO 294-1 , ISO295或者ISO 10724-1以適宜的方法從材料直接壓塑制備試樣，或按照 ISO 2818由壓塑 或注塑板材經(jīng)機(jī)加工制備試樣。試樣所有表面應(yīng)吳可見(jiàn)裂痕、劃痕或其他缺陷。如果模塑試樣存在毛刺應(yīng)去掉，注意不 要損傷模塑表面。由制件機(jī)加工制備試樣時(shí)應(yīng)取平面或曲率最小的區(qū)域。除非確實(shí)需要，對(duì)于增強(qiáng)塑料試 樣不宜使用機(jī)加工來(lái)減少厚度，表面經(jīng)過(guò)機(jī)加工的試樣與未經(jīng)機(jī)加工的試樣實(shí)驗(yàn)結(jié)果不能互相比較。5.3標(biāo)線見(jiàn) ISO 527-1

7、:2012,6.35.4檢查測(cè)試樣品見(jiàn) ISO 527-1:2012,6.45.5各向異性5.6測(cè)試樣數(shù)量見(jiàn) ISO 527-1:2012，章節(jié) 7.6狀態(tài)調(diào)節(jié)見(jiàn) ISO 527-1:2012，章節(jié) 87測(cè)試過(guò)程見(jiàn) ISO 527-1:2012，章節(jié) 9在測(cè)量彈性模量時(shí)，1A型、舊型試樣的試驗(yàn)速度應(yīng)為1mm/min，對(duì)于小試樣見(jiàn)附錄A。8結(jié)果計(jì)算和表示見(jiàn) ISO 527-1:2012，章節(jié) 109精確度見(jiàn)附錄B10實(shí)驗(yàn)報(bào)告試驗(yàn)報(bào)告應(yīng)包擴(kuò)一下內(nèi)容：a）注明引用ISO 527的本部分，包括試樣類型和試驗(yàn)速度，并按下列方式表示；Tensile testISO 527-2/1A/50Type of s

8、pecimen (see Figure 1 and Table 1)Testing speed, in millimetres per minute 附錄A （規(guī)范性附錄） 小試樣由于某些原因不能使用1型標(biāo)準(zhǔn)試樣時(shí)，可使用 1BA型、1BB型（見(jiàn)圖A.1和表A.1 ）,5A或5B型（見(jiàn)圖A.2和表A.2 ）。當(dāng)需要測(cè)量模量時(shí)，試驗(yàn)速度應(yīng)為1mm/min。用小試樣測(cè)量模量在技術(shù)上可能是困難的，應(yīng)為標(biāo)距長(zhǎng)度小，試驗(yàn)時(shí)間短。由小試樣獲得的結(jié)果與用1型試樣獲得的結(jié)果不可比較。Figure A.1 Type 1BA and 1BB test specimensTable A.1 Dimensions o

9、f type 1BA and 1BB test specimensTable A,1 Dimenfiicns of type 1 BA and 1BB test specimensDimenskjns irn miillinnetresSpecimen type1BA1BE母Overall length符>32i1Length of narrow parallel-sided portion30.0 ± 0,512,D±0,5rRaditJi&£30>-12Distance betv/een broad parallehsided portio

10、ns56±223 ±2如Width at ends10,0 ± 0.54 ±02Width 凱nmmw portion5010.52.010,2hThicknessH2£2血Gauge length25.0 ± 0,51O.C±O,2LInitial distance between grips舊0NOTE The specimen 1 BA and iBB are prop&rllofialty scaled IB with a reduction tacl&rcf 1:2 and 1:5,陪wechveW

11、 wvth the exception Ihlckncss.Figure A.2 Type 5A and 5B test specimensTable A.2 Dimensions of type 5A and 5B test specimensDimensions in millimetresSpecimen type5A5B/3Overall length2752350Width at ends12.5 ±16 ±0,5hLength of narrow parallel-skied portion25 ± 112 ±0,5blWidth at na

12、rrow portion4 ±0.12 ±0.1nSmall radius8 ±0.53 ±0.1Large radius12.5 ±13 ±0.1LInitial distance between grips50 ±220 ±2AoGauge length20 ± 0.510 ±0,2hThickness2 ±0.21 ±0.1NOTEThe specimen types 5A and 5B are similar to type 5 of ISO 527-3 and re

13、present types 2 and 4. respectively, of ISO 37.Figure A.2 Type 5A and 5B test specimensTable A.2 Dimensions of type 5A and 5B test specimensDimensions in millimetresSpecimen type5A5B/3Overall lengthN75N35Width at ends12.5 ±16 ±0.5/1Length of narrow parallel-sided portion25 ± 112 ±0.5EWidth at narrow portion4 ±0.12 ±0.1r1Small radius8 ±0,53 ±0.1r2Large radius12,5*13 ±0,1LInitial distance between grips