Paragraph into fibers is spectra fiberPolyethylene molecules are

Paragraph One, Introductory ParagraphDid you know the total amount of americans kill in all U.S wars is more than 1.1 million! According to NOVA (2013), even when wearing kevlar bulletproof vests, getting shot still causes a bruise. Bulletproof vests also aren’t stab proof. How can we make armor more effective while paying attention to the material and design patterns of the armor? Let’s dig deeper into the world of machinery.Paragraph TwoIntroductory SentenceThe type of material is very important when producing armor. Fact OneMIT researchers are able to print graphene.Graphene conducts electricity efficiently and is nearly transparentGraphene is 5% the density of steelAPA in-text Citation for Fact: (Lucas Mearian, 2017, para. 1, 3, 7)Fact TwoGraphene is 200x the strength of steel and a fraction of the weight.$100 per gramAPA in-text Citation for Fact: (The University of Manchester, n.d, para. 3)Fact ThreeGraphene is made out of carbon atoms and is one atom thickGraphene atoms are arranged chicken wire patternAPA in-text Citation for Fact: (Melissa Salpietra, 2010, para. 3)Concluding sentenceGraphene is one of the many materials that can be used to produce armor. But there’s one problem, graphene is very expensive.Paragraph ThreeIntroductory SentenceAnother material that can be used to create armor is spectra fiber.Fact OnePolyethylene molecules produced into fibers is spectra fiberPolyethylene molecules are very long and stretches out alongside each other, they’re bonded very tightlyAPA in-text Citation for Fact: (Melissa Salpietra, 2010, para. 5)Fact TwoSpectra fiber is lightweightSpectra fiber is a tough thread that can stand a lot of tensionAPA in-text Citation for Fact: (Melissa Salpietra, 2010, para. 5)Fact ThreeSpectra fiber is 5 times stronger than steel considering the weight to weight ratioThis material is used for bulletproof vests & high tech sports gear APA in-text Citation for Fact: (Melissa Salpietra, 2010, para. 5)Concluding sentenceSpectra fiber is a lightweight, strong material for armor.Paragraph FourIntroductory SentenceAnother material that can used to make armor is carbon/carbon composite.Fact OneCarbon/Carbon Composite is very strong carbon fibers within very strong carbon matrix.There are different types of compositeAPA in-text Citation for Fact: (Melissa Salpietra, 2010, para. 7)Fact TwoBased on how the fibers go in relation to the matrix can cause different propertiesCarbon/Carbon Composite can resist a lot of tensionAPA in-text Citation for Fact: (Melissa Salpietra, 2010, para. 7)Fact ThreeCarbon/Carbon Composite can absorb a lot of force, this shows an example of toughnessThis material could be useful for aerospace things in particularAPA in-text Citation for Fact: (Melissa Salpietra, 2010, para. 7)Concluding sentenceCarbon/Carbon Composite is a strong material but it is more useful for aerospace products. Paragraph FiveIntroductory SentenceMaterials can have a lot of impact on armor but patterns can to. Many animals in the world defend themselves with there own natural armor and many include patterns. Fact OnePangolins are flexible creatures that can roll up into a ball when a predator is attackingPangolins have overlapping hexagonal pattern around a central scaleThis ensures safety, the pangolin is fully covered when movingAPA in-text Citation for Fact: (Cordelia Sealy, 2016, para. 1, 6)Fact TwoThe hexagonal pattern allows the scales to slide over one another, this makes the armor more flexibleThis arrangement of scales also improves the fracture toughnessAPA in-text Citation for Fact: (Cordelia Sealy, 2016, para. 4, 6)Fact ThreeThis arrangement also makes the pangolin’s armor very hard to crackThe overlapping hexagonal pattern also ensures safety, the pangolin is fully covered when movingAPA in-text Citation for Fact: (Cordelia Sealy, 2016, para. 5, 6)Concluding sentenceAnimals have incredible abilities that can be incorporated into things people use in our modern world to make things better.Paragraph SixIntroductory SentenceAn animal that is very incredible is the spider. Particularly their silk.Fact OneSpider silk is lightweightSpider silk is toughSpider silk is very stretchy and flexibleAPA in-text Citation for Fact: (Melissa Salpietra, 2010, para. 6)Fact TwoSpider silk can resist a lot of pullSpider silk also has a high tensile strengthParticularly Darwin’s bark spider of MadagascarAPA in-text Citation for Fact: (Melissa Salpietra, 2010, para. 6)Fact ThreeDarwin’s bark spider of Madagascar builds the largest webs knownDarwin’s bark spider of Madagascar produces silk 2 times stronger than other spidersIt also has the highest tensile strength and toughness everAPA in-text Citation for Fact: (Melissa Salpietra, 2010, para. 6)Concluding sentenceSpiders are incredible but their silk is extremely hard to produce.Concluding Paragraph:Bulletproof armor isn’t always effective. Materials can have a big impact on armor. Graphene is a lightweight, strong and flexible material, but it’s expensive. Spectra fiber is also lightweight, strong but not as strong as graphene and flexible. Carbon/Carbon Composite is also lightweight, strong and flexible it particularly useful for aerospace products. Animals have effective natural armor. The different design patterns have a big effect on the toughness.  This research can be used to come up with more effective armor.

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