Chapter 11 Composite Materials PowerPoint Presentation to accompany PDF
Preview Chapter 11 Composite Materials PowerPoint Presentation to accompany
Copyright © The McGraw-Hill Companies, Inc. Perm ission required for reproduction or display. PowerPoint Presentation to accompany Chapter 11 Composite Materials Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. CO 11 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Figure 11.1a Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Figure 11.1b Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Fibers for reinforce plastic composite materials 1.Glass fibers for reinforcing plastic resins -High strength to weight ratio -Good dimensional stability -Good resistance to heat, cold, moisture, and corrosion -Good electrical insulation properties -Ease of fabrication -Relatively low cost Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Fibers for reinforce plastic composite materials E-glass (electrical) most commonly used glass. (lime-aluminum borosilicate glass with zero or low Na and K level) Tensile strength 500 ksi (3.4 GPa) E = 10.5 Msi (72.3 GPa) S-glass (high strength) higher strength to weight ratio and more expensive. Used for military and aerospace applications. Tensile strength 650 ksi (4.5 GPa) E = 12.4 Msi (85.4 GPa) Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Fabrication of Glass fibers Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. (a)ใยแกว้ ที่ทา เป็นเส้นสา หรับทอ (b)ใยแกว้ ที่ทอเป็นแผน่ (c)ใยแกว้ ที่มว้ นกนั อยา่ งต่อเนื่อง (d)ใยแกว้ ที่ทอเป็นผนื Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. (a)เส้นใยที่ทอติดต่อกนั เป็นผนื (b) แสดงผวิ ของผนื ใยแกว้ (c) ใยแกว้ ที่ตดั เป็นท่อนๆ ทา เป็นผนื (d) เส้นใยแกว้ ที่นา ไปทอเป็นผนื รวมกบั แผน่ ใยแกว้ ที่ทา จากใยแกว้ ที่ตดั เป็นท่อน Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Property of glass fibers Comparing with carbon fiber and aramid fiber, Glass fiber has lower tensile strength and tensile modulus, but More elongation. However, Cost is lowest.!
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