Effect of Superficial Scratch Damage on Tension Properties of Carbon/Epoxy Plain Weave Laminates

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left"><i>E</i><sub>1</sub>/GPa</td><td class="align_center"><i>E</i><sub>2</sub>/GPa</td><td class="align_center"><span style="width: 15.9274ptpx;"><svg height="12.4698pt" id="M2" style="vertical-align:-3.18147pt" version="1.1" viewbox="-0.0498162 -9.28833 15.9274 12.4698" width="15.9274pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M501 444C501 643 409 712 321 712C208 712 108 618 108 502C108 412 172 331 293 331C337 331 394 359 420 378C397 154 341 41 258 41C209 41 178 76 178 161C178 232 171 299 114 299C76 299 38 272 23 257L29 232C42 236 54 239 66 239C91 239 106 221 102 149C95 20 158 -12 219 -12C264 -12 314 10 353 47C461 150 501 295 501 444ZM423 443C423 433 422 422 421 412C401 396 370 385 335 385C245 385 180 444 180 537C180 609 212 671 286 671C349 671 423 595 423 443Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.409,3.132)"><path d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,10.841,3.132)"><path d="M414 144C384 79 371 75 317 75H135L276 221C367 316 408 376 408 465C408 570 327 635 237 635C179 635 131 609 100 575L42 494L67 471C94 510 138 565 205 565C277 565 321 517 321 435C321 348 258 270 195 195C146 137 88 81 33 26V0H411C423 44 433 88 446 135L414 144Z"></path></g></svg></span></td><td class="align_center"><i>G</i><sub>12</sub>/MPa</td><td class="align_center"><i>G</i><sub>23</sub>/MPa</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">55.8</td><td class="align_center">54.9</td><td class="align_center">0.0538</td><td class="align_center">4200</td><td class="align_center">3700</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div><i>Note</i>. <i>E</i><sub>1</sub> and <i>E</i><sub>2</sub> are the elasticity moduli in the fiber direction and in the transverse direction, respectively, and <i>G</i><sub>12</sub> and <i>G</i><sub>23</sub> are the shear moduli in-plane and out of plane, respectively, and the term <svg height="12.4698pt" id="M3" style="vertical-align:-3.18147pt" version="1.1" viewbox="-0.0498162 -9.28833 15.9274 12.4698" width="15.9274pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M501 444C501 643 409 712 321 712C208 712 108 618 108 502C108 412 172 331 293 331C337 331 394 359 420 378C397 154 341 41 258 41C209 41 178 76 178 161C178 232 171 299 114 299C76 299 38 272 23 257L29 232C42 236 54 239 66 239C91 239 106 221 102 149C95 20 158 -12 219 -12C264 -12 314 10 353 47C461 150 501 295 501 444ZM423 443C423 433 422 422 421 412C401 396 370 385 335 385C245 385 180 444 180 537C180 609 212 671 286 671C349 671 423 595 423 443Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.409,3.132)"><path d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,10.841,3.132)"><path d="M414 144C384 79 371 75 317 75H135L276 221C367 316 408 376 408 465C408 570 327 635 237 635C179 635 131 609 100 575L42 494L67 471C94 510 138 565 205 565C277 565 321 517 321 435C321 348 258 270 195 195C146 137 88 81 33 26V0H411C423 44 433 88 446 135L414 144Z"></path></g></svg> is Poisson’s ratio.<br/></div></td></tr></table>

Advances in Civil Engineering

tab1

Table 1

Table 1: Effect of Superficial Scratch Damage on Tension Properties of Carbon/Epoxy Plain Weave Laminates 