1、:D790-17 STANDARD TEST METHODS FOR FLEXURAL PROPERTIES OF REINFORCED PLASTICS AND ELECTRICAL INSULATING MATERIALS 2018 ():07.05.2018:3430-18/ASTM -,.9,119049.:(499)236-54-49:(499)230-13-72 E-mail:interstgost.ru http:/www.interstandart.ru/(ASTM International)100 rr Harbor Drive,West Conshohocken,PA 1
2、9428,USA.ASTM International ,ASTM International.-,ASTM International ,.This translation is executed by FBU“CIC“Interstandard”of Federal Agency on Technical Regulating and Metrology under the license of American Society for Testing and Materials(ASTM International)100 rr Harbor Drive,West Conshohocke
3、n,PA 19428,USA.ASTM International does not approve and does not confirm these translations and in any cases only the English version published with a sign of ASTM International copyright can be considered as the original version.Reproduction of the specified translations by any Party,except for ASTM
4、 International or FBU“CIC“Interstandard”,is strictly forbidden according to the USA legislation and international copyright.ASTM D790-17 1 :D790-17 1 D790;,.().1.*1.1 ,().,1 ASTM D20 ,D02.10 .1 2017.2017.1970.2015.D790-15 2.DOI:10.1520/D0790-17.*ASTM D790-17 2 5,0%.1.2 ,.1.3 ;.,.1 .,.2 ,4-.3-4-.D627
5、2.1.4,.1.5 ,.(,).ASTM D790-17 3 1.6 ,.,.3 ISO 178 ,.1.7 -,(TBT).2.2.1 ASTM:2D618 D638 D883,D4000 D4101 D5947 2 ASTM,ASTM www.astm.org ASTM serviceastm.org.ASTM.Document Summary ASTM.ASTM D790-17 4 D6272 4 83 E691 E2309 ,2.2 ISO:3ISO 178 3.3.1 ,D883 2 D638.4.4.1 .(.7 ),-()16:1.,(.5.1.6)5,0%,.3 (ANSI)
6、,25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.ASTM D790-17 5 4.2 ,.0,01/(0,01/).4.3 ,5,0%,A.B 0,10/(0,10/).4.4 I .4.5 II ().4.6 .4 ,.,.5.5.1 ,.:5.1.1 (f),ASTM D790-17 6 ,.(3)12(.5 6).5 3 ,.,3 ,.,5%,.6 .45.1.2 ,(.3 ,.f 7 -,.4 ,)16:1 ,10%,(4)12.3(.7).4 .Zweben,C.,Smith,W.S.,and Wardle,
7、M.W.,“Test methods for fiber tensile strength,composite flexural modulus and properties of fabric-reinforced laminates,”Composite materials:Testing and design(Fifth conference),ASTM STP 674,1979,.228-262.ASTM D790-17 7 -,.5.1.3 (f),(.6).3 4.,5%,-,(.1,b),Y.,(3 4),Y.1 :,.b:,5%.:,5%.1 (sf)(f)5.1.4 ,-()
8、5%ASTM D790-17 8 -.,.8 ,5.1.3.D638.5.1.5 (f).3 4.-,(.1,),f=f5.1.6 3 4,-,(.6).-,(.1,b).,(3 4),.5.1.7 ,f5.1.8 :-,.5 12.4.5.1.8.1-()-,.-6 12.5.1(.9).ASTM D790-17 9 9 ,-.45.1.8.2-()-,-.(.).,.6,m -.,.-60:1.-,.,.5.1.8.3 (f)-.,.,.,f5.2 ,.,7 12.5.2.ASTM D790-17 10 5.3 ASTM,.,ASTM ,.1 D4000 ASTM ,.6.6.1 ,:6.
9、1.1 ,1%,.6.1.1.1 ,;6.1.1.2 ,.6.1.2 .6.1.2.1 5,0 0,1 (0,197 0,004),ASTM .6.1.2.2 ,ASTM D790-17 11 -,ASTM .,.(1)3,2 (1/8(2),.,.).3,2 1,6 .6.1.3 ,.6.1.4 ,.1%,.4.ASTM D790-17 12 6.1.5 :6.1.5.1 I ,.E2309,.10 ,./.X1 .6.1.5.2 II ()().E83,B-2 C .11 ,.,-.12 E83 .,.1 E83,50.ASTM D790-17 13 6.2 D5947.7.7.1 ,.D
10、5947.(.13).(0,2).7.2 .,.,.,.13 ,.ASTM D790-17 14 7.3 (,):7.3.1 1,6 (1/16)1/4 3,2 (1/8).3,2 12,7 (1/2).,10%,6,4 (1/47.3.2 1,6 ().,.16 1 .1/16)50,8 (2)12,7 (1/2 14 ,.)25,4 (1).15 ,-14:1.(.14).7.4 ,25,4 (1)25,4.ASTM D790-17 15 12,7 (1/27.5 ()12,7 (0,5),3,2 (0,125)127 (5,0).-16:1(1).,.)12,7.-,.,16:1 ,8:
11、1,-,(32:1 40:1).,().7.6 ,-,.,16:1 ,8:1,-,ASTM D790-17 16 (32:1 40:1).,-,40:1.,-60:1,;,.8.8.1 .8.2 ,.,.,.,90 .,.9 9.1 ,D618,ASTM .ASTM D790-17 17 7 D618,.9.2 ,7 D618,ASTM .10.10.1 :10.1.1 .0,03 (0,001).2,54 (0,100)0,003 (0,0005).D5947.10.1.2 ,7,1%.10.1.3 ,0,1 (0,004)63 (2,5)0,3 (0,012)63 (2,5).,.,.2.
12、ASTM D790-17 18 10.1.4 1 :R=ZL2(1)/6d:R-,()/,L-,(),d-,()Z-,/(/).Z 0,01.,1,10%.10.1.5 ,.,.,(.16).16 ,(.2.3).10.1.6 -.10.1.7 ()(I),(),(II).-,-,-,ASTM D790-17 19 -.(.1),.10.1.8 ,0,05/(/)(.17 18).,r 0,05/(/)2:D=rL2(2)/6d:D-,(),r-,(),L-,()d-,().17 ,5%,(.10.2),5%.18 5%.-,5%(,D638).10.2 :10.2.1 .10.2.2 ,10
13、.1,0,10/(/)/.ASTM D790-17 20 10.2.3 ,0,05/(/)/,(.18).11.11.1 ,-,.,.12.12.1 1,.12.2 (f):f=3PL/2bd(3)2:-,(.)P-,(-),L-,(),b-,(),d-,().19 3 ,.12.3 ,(f):f=(3PL/2bd2)1+6(D/L)2(4)4(d/L)(D/L)ASTM D790-17 21:fD-,().,P,L,b d-,3,20 -,.4 ,-,.12.4 ,f -,.5:f=6Dd/L(5)2:fD-,(),-,/(/),L-,(),d-,().12.5 :12.5.1-:EB=L3
14、m/4bd(6)3:EBL-,(),-,(.),b-,(),d-,(),m-,/(-).ASTM D790-17 22 12.5.2 (fE)f=(f2 f1)/(f2 f1(7):f2 f1-,3 4 -,f2 f112.6 .-,5 -.12.7 ():s=)1/()(22nXnX(8):s-,-,-,X-13.13.1 :13.1.1 ,(),ASTM D790-17 23 13.1.2 ,13.1.3 ,13.1.4 ,13.1.5 ,13.1.6 ,(A B),(I II),D790AI.I,.13.1.7 ,13.1.8 ,16:1,13.1.9 ,5./,5,.13.1.10 ,
15、13.1.11 ,13.1.12 ,13.1.13-,-,()(),-,13.1.14 (),13.1.15 5%(),ASTM D790-17 24 13.1.16 (),13.1.17 ,5%,13.1.18 .14.14.1.1 2 ,1984.691,.21 :r R(14.2-14.3),.,.1 2,.,691,.14.2-14.2.3 .14.2 r R .1 2 Sr SR14.2.1 ,r .r ,:ASTM D790-17 25 ,.1 /.103,%,103V/.rVA Rra RC D ABS 9,99 1,59 6,05 4,44 17,2 DAP 14,3 6,58
16、 6,58 18,6 18,6 16,3 1,67 11,3 4,73 32,0 GR 19,5 1,43 2,14 4,05 6,08 GR 21,0 5,16 6,05 14,6 17,1 SMC 26,0 4,76 7,19 13,5 20,4 A Vr=.,:Sr=(s1)2+(s2)2+(sn)2/n1/2,Vr=(Sr,)100.Vr=,:SR=Sr2+SL21/2,SL .VR=(SR,)100.C r=2,8 Vr.D R=2,8 VR.2./.103,%,103V/.rVA Rr RC D ABS 338 4,79 7,69 13,6 21,8 DAP 485 2,89 7.18 8,15 20,4 810 13,7 16,1 38,8 45,4 GR 816 3,49 4,20 9,91 11,9 GR 1790 5,52 5,52 15,6 15,6 SMC 1950 10,9 13,8 30,8 39,1 A Vr=.,:Sr=(s1)2+(s2)2+(sn)2/n1/2,Vr=(Sr,)100.Vr=,:SR=Sr2+SL21/2,SL .VR=(SR,)10
