KS A 5608-1-2006 Accelerated life test－Part 1：Outline of accelerated life test《加速寿命试验 第1部分 加速寿命试验的概要》.pdf

1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 6 2 http:/www.kats.go.kr KS A 5608 1 1： KS A 5608 1： 2006 (2012 ) A 5608 1： 2006 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2006 6 2 ：2012 12 29 2012-837 ： ： ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . ICS 19.080 KS 1： A 5608 1： 2006(2012 ) Acce

2、lerated life test Part 1： Outline of accelerated life test (accelerated test) . (life cycle) , . . . . , , . , B10 . 1. . 2： , 3： . 2. . . KS A 3004 3. . 3.1 (item) , , , , , , , . . 3.2 (performance) , , . 3.3 (failure) . . 3.4 (life) A 5608 1： 2006 2 , , , (on-off) . 3.5 (accelerated test) 3.6 (ac

3、celerated life test) , . 3.7 (accelerated stress test) , 3.8 AF (acceleration factor) (Td) (Ta) , AF Td/Ta3.9 (stress) , 3.10 (accelerating stress) 3.11 , Td AFTa 3.12 (failure mechanism) , , , , (overstress failure mechanism) (wearout failure mechanism) . 3.13 (rate determining step rate controllin

4、g step) 3.14 , 3.15 . 3.16 (accelerated life test model) 3.17 (life-stress relationship) 3.18 (degradation) (performance) 3.19 (specification limit) 3.20 (operating limit) , (LOL： Lower Operating Limit) (UOL： Upper Operating Limit) . 3.21 (operating margin) 3.22 (destruct limit) (LDL： Lower Destruct

5、 Limit) (UDL： Upper Destruct Limit) . A 5608 1： 2006 3 3.23 (destruct margin) 3.24 (constant stress test) . 3.25 (step stress test) 3.26 (mean time to failure) 3.27 B100p p . 3.28 (median life) 50 % 50 % . , B50 . 4. ( , , ) , (extrapolation) . 1 . . Td , Ta , Td AFTa . AF . 10.0010000.00100.001000.

6、00460.00380.00 396.00 412.00 428.00 444.00Generated by: ReliaSofts ALTA - www.ReliaS - 888-886-0410Arrhenius Weibull PlotReciprocal StressTime5:11:03 PM10/20/98ReliaSoftPantelisArrh/WeibData 163.2356F=17 | S=0Beta=2.9658, B=10679.5675, C=2.3966E-9Time 1 5. ( , , , ) ( , ) ( ) . A 5608 1： 2006 4 . a)

7、 b) c) 5.1 , . (rate determining step rate controlling step) . 2 , , IC . . 2 (IC ) 3 . . 3 ( ) ( ) . , . 4 , . . PCT(Pressure Cooker Test) . 4 (IC) . . . A 5608 1： 2006 5 5.2 . . 5.3 Td AFTa( ) , . ( ) ( ) 5 . 110130150170100 1000 1000012351020304050607080909599DataPercent 5 1. , . 2. , . 6. 6.1 .

8、. 6.2 . . . . 6.3 , A 5608 1： 2006 6 . , , , (operating limit) . . 6.4 . 2 3 , 2 . 6.5 , . B10 ( ) , 5 . . . 6.6 , . . . 6.7 ( ) , . . , . 6.8 . . , . 6.9 . . 7. . a) b) c) 7.1 , . , , . , . . 1. 6 8 ( TV) 24 A 5608 1： 2006 7 3 , 1/3 . a) b) 6 2. 1 1 (on-off) 1 . 1 440 , 1 440 , 1 440 . 3. 1 , 1 1 .

9、 300 , 10 1( / )1( / )300( / )10 3 000( ) . 20 10 3 000/20 150( ) , 10 150 . 7.2 , , , , . . . (off-time) . , . . ( ) . (safety margin) , ( ) . , , . , , 7 . 7 a) , b) , c) . . a) (rpm) . b) , . c) (stress) . 8 8 8 8 (on) (off) (on) (off) 16 1 1 A 5608 1： 2006 8 a) b) c) 7 7.3 , , . . , 8 . , 5 % 1

10、% () 1 % , . . . . , 10 % . , 1 000 5 % , 2 000 . A 5608 1： 2006 9 8 8. , . 8.1 (specification limit), (operating limit) (destruct limit) . 9 . 8.1.1 . 8.1.2 ( , ) , . (LOL) (UOL) . (operating margin) . 8.1.3 ( , ) . (LDL) (UDL) . (destruct margin) . 9 , 8.2 . 8.3 , (constant stress), (step stress),

11、 (progressive stress), (cyclic stress), (random stress) . , , , . 1 , 2 T( ) t( ) (LDL) (LOL) (UOL) (UDL) A 5608 1： 2006 10 . 1 . . ( ) ( ) . 2 (constant stress) (step stress) (progressive stress) (cyclic stress) (random stress) A 5608 1： 2006 11 9. ( ) , , . a) b) (life-stress relationship) . 10 , . 10 9.1 , , . 3 . 9.2 , , , . , , . (T) ( ) , (), exp() . 1： 1 , B10 B5 . 9.2.1 (Arrhenius relationship) , . (T) , . )/(exp)(akTEAT