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    GMKOREA EDS-T-7664-2011 Test Method for the Creep Relaxation of Gasket Material.pdf

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    GMKOREA EDS-T-7664-2011 Test Method for the Creep Relaxation of Gasket Material.pdf

    1、 ENGINEERING STANDARDS Test Procedure LIMITED USE EDS-T-7664 Test Method for the Creep Relaxation of Gasket Material Do Not Use on New Program; No Replacement. 43G 8:8 A *F8 87x 4G - Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program 72P# 957%L: 6#$ . Copyright 2011 General Motors Company All Rights R

    2、eserved August 2011 Originating Department: GM Korea Engineering Standards Page 1 of 6 Version : 3 1 Scope Note: Nothing in this standard supersedes applicable laws and regulations. Note: In the event of conflict between the Korean and English language, the Korean language shall take precedence. 1.1

    3、 Purpose and Applicability. This standard is used to determine the amount of creep relaxation of gasket material after a compressive stress has been applied. Here will be two types of test method, or A and B, introduced depending on the measuring method of the creep relaxation. 2 References Note: On

    4、ly the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. ASTM F38 ASTM F104 2.2 GM Standards/Specifications. None 2.3 Additional References. None 3 Resources 3.1 Equipment. 3.1.1 Test Method A. 3.1.1.1 Strain Indicator. 3.1.1.2 Stopwatch 3.1.

    5、1.3 Relaxometer. composed of two platens, upper and lower; bolt type measuring device for strain; and thrust bearing as shown in Figure 1. 3.1.2 Test Method B. 3.1.2.1 Relaxometer. composed of two platens, special drilled and calibrated bolt, washer and nut and a dial indicator assembly as shown in

    6、Figure 2. 3.1.2.2 Cutter or Scissors for sampling. 3.1.2.3 Air-circulating Oven. capable of maintaining a temperature of +100 E 2K. 1 P7 :0 : ., E:48 6&F !7$ :4-8! 9I8x $4=F 3L 6$ . :0 : F67t 7568 18 88x 7 , F6* 72T8p) F$ . 1.1 +95 -C 957 -88 . ., 4G -8t 43G 8:7 6 7)Y8x 4F G , 1B72P8 A *F8 87x 9I$*

    7、?U9IFd 88F 17F+ , A *F8 87x8 ?U9I -47 &d( A, B8 24: 4G -8 +4%L6 8$ . 2 4) E:4 / :0 : C-H +d%P 9I8 6# F 48 07 38%P E:48x 957F$ . 2.1 17 E:4 / . ASTM F38 ASTM F104 2.2 GM E:4 / . None 2.3 dA E:4 / . None 3 4G 88 3.1 4G 8/x . 3.1.1 4G - A. 3.1.1.1 48 E4d . 3.1.1.2 3B 88? . 3.1.1.3 88 , 6x(+ 2P8 F(C0 .0

    8、C A88 48 ?U9Id , C) 3C -6* &%8p) 2e%P ,* 10 M8t *)=2 +Bd . 3.1.2 4G - B. 3.1.2.1 2 P8 F(C0 C-F + # G ,&8 F8x d)F G C9I )Y8x 4Fd 88F2T $4( 30 N.m8 B7XA 4 Fx7F ) 89IF 2$) 8 )Y8x 4F7 (102) $4 F:E7 $ 4A$ . (6)Y8 26.7 KN 8 & .0C8 488t 0.1222 0.127 mm8 ) , G $86 E4d* 9PF$ . 4.3.2.5 C-H 9IF: 68p+ $86 E4d4

    9、9P%P *)=2 +Bd* +100 E 2K 7$8 )d 3PG4 7X/D7 “W6 2248 % 6| 7( “G 4A$ . 4.3.2.6 4G d8 7x* G 7X/D72P ! 1772P !5 4A$ . 4.3.2.7 $86 E4d* $4 !8 28p) $F 98 G 759D 99IF$ . , G $86 E4d8 ( 68 “ 2Q+ 3 C , 2Q+ /x8Bd 3 C , 8T7$2e 8# H 7$ . 1 hour at 100 E 2K. Cool in desiccator over a suitable desiccant at 21 to

    10、30 E . / +100 E 2K8 7$72P 1 48 98=* G 2130 E 7$8 $448Bd 272P !5 . 6.4 22.2 1090 H Asbestos paper and millboard. / 2Q+ 98 , -4 .(& . 4 hours at 100 E 2K. Cool as in Procedure A. / +100 E 2K8 7$72P 4 48 98=* G - A7t % 8F !5 . 6.4 4.4 218 F Cork composition Cork and cellular rubber. / *A 2e.8 F8T%P 8:

    11、, $)2e ,h . At least 46 hours at +21 to 30 E and 50 to 55 % relative humidity. / +21 30 E8 7$7t 50 55 %8 1$4 3$ F72P 46 48 81 98=* . 28.7 4.4 440 B Cork and rubber. / *A , ,h . At least 46 hours at +21 to 30 E and 50 to 55 % relative humidity. / +21 30 E8 7$7t 50 55 %8 1$4 3$ F72P 46 48 81 98=* . 12

    12、.8 4.4 351 G Treated and untreated papers from cellulose or other organic fibers. / 4*$): &%8 8Td 28T: 98 . 4 hours at 21 to 30 E over a suitable desiccant followed immediately by at least 20 hours at 21 to 30 E and 50 to 55 % relative humidity. / +21 30 E 7$8 $448Bd 272P 4 48 -? G +21 30 E8 7$7t 50

    13、 55 %8 1$4 3$ F72P 20 48 81 98=* . 6.4 4.4 281 J Compressed nonasbestos sheet, non-asbestos beater sheet. / 6 /x2Q+ 3 C , /x2Q+ /x8Bd 3 C . 1 hour at +100 E 2K. Cool in desiccator over a suitable desiccant at 21 to 30 E . / +100 E 2K8 7$72P 1 48 98=* G +21 30 E 7$8 $448Bd 272P !5 . 6.4 22.2 1090 K Non-asbestos paper and millboard. / /x2Q+ 98 , -4 .(& . 4 hours at +100 E 2K. Cool as in Procedure J. / +100 E 2K8 7$72P 448 98=* G - J7t % 8F !5 . 6.4 4.4 218


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