Strain gage testing: the delta effect of thermal cycle testing
Chart A continued. Chart of raw data spread by Temperature vs. Microstrain by location in the X- and Y-axis.
Time Chamber LOC-A LOC-A Y- LOC A LOC B LOC B Y- LOC B New LOC New LOC New LOC
Elapsed Temp (ºC) X-Axis (µε) Axis (µε) Y-X (µε) X-Axis (µε) Axis (µε) Y-X (µε) A X-Axis A Y-Axis A Y-X (µε)
(µε) (µε)
0:49:00 -46 -132 551 683 -521 118 639 -424 -252 172
0:52:00 -43 -146 593 739 -538 140 678 -452 -255 197
0:55:00 -40 -159 611 770 -554 155 709 -472 -259 213
0:58:00 -41 -171 629 800 -565 165 730 -487 -262 225
1:01:00 -43 -177 642 819 -574 175 749 -503 -266 237
1:04:00 -40 -187 650 837 -583 181 764 -513 -268 245
1:06:00 -36 -200 659 859 -581 192 773 -512 -263 249
1:08:00 -26 -188 650 838 -573 174 747 -502 -253 249
1:10:00 -11 -164 627 791 -558 156 714 -481 -237 244
1:12:00 5 -139 587 726 -545 144 689 -447 -222 225
1:14:00 18 -113 553 666 -525 122 647 -413 -200 213
1:16:00 33 -81 492 573 -498 90 588 -373 -178 195
1:18:00 48 -43 415 458 -461 36 497 -314 -163 151
1:20:00 61 -18 314 332 -438 -24 414 -271 -149 122
1:22:00 66 -31 216 247 -428 -90 338 -256 -130 126
1:24:00 73 -34 110 144 -403 -154 249 -239 -121 118
1:26:00 79 -5 9 14 -381 -215 166 -217 -118 99
1:28:00 85 -1 -85 -84 -379 -268 111 -192 -113 79
1:30:00 92 -7 -206 -199 -369 -344 25 -172 -112 60
1:32:00 99 -3 -304 -301 -344 -403 -59 -147 -120 27
1:34:00 105 -12 -405 -393 -330 -460 -130 -113 -134 -21
1:36:00 106 -57 -496 -439 -327 -513 -186 -109 -130 -21
1:38:00 106 -75 -571 -496 -323 -552 -229 -102 -130 -28
1:41:00 106 -86 -650 -564 -318 -650 -332 -75 -148 -73
1:44:00 106 -95 -673 -578 -311 -694 -383 -55 -186 -131
1:47:00 106 -80 -698 -618 -283 -723 -440 -30 -226 -196
1:50:00 106 -108 -721 -613 -276 -746 -470 -8 -257 -249
1:53:00 106 -97 -723 -626 -269 -770 -501 -3 -277 -274
1:56:00 106 -111 -739 -628 -282 -797 -515 6 -298 -304
1:59:00 106 -111 -742 -631 -267 -812 -545 16 -322 -338
2:02:00 106 -80 -760 -680 -249 -816 -567 42 -339 -381
2:05:00 106 -122 -762 -640 -250 -824 -574 34 -346 -380
2:08:00 105 -114 -768 -654 -261 -836 -575 34 -350 -384
2:11:00 105 -117 -770 -653 -265 -842 -577 37 -361 -398
2:14:00 105 -93 -772 -679 -238 -845 -607 49 -368 -417
2:17:00 100 -116 -783 -667 -241 -844 -603 57 -375 -432
2:19:00 85 -130 -775 -645 -245 -843 -598 46 -367 -413
2:21:00 73 -104 -770 -666 -244 -839 -595 38 -354 -392
18 – Global SMT & Packaging – February 2009
www.globalsmt.net
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50 |
Page 51 |
Page 52 |
Page 53 |
Page 54 |
Page 55 |
Page 56