Week 12 prelab

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School

Purdue University *

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Course

105

Subject

Mechanical Engineering

Date

Dec 6, 2023

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pdf

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1

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1 MET 14400 Week 12 Pre-lab (6-point, individual assignment) In week 12, groups will complete the first set of GRANTA Materials Selector software module questions from lab manual chapter 28 and complete chapter 29 microscope observation of at least three composites sample materials. Prelab questions include chapter 28 software screenshot uploading and chapter 29 italicized questions. This assignment is due at the start of your week 12 lab. We have 7 lab start times, and BrightSpace shows only one due date per assignment. The due date and time that appears in BrightSpace is the very first of the 7 start times. Submit your work by your group’s lab start time rather than the BrightSpace due date and time. Chapter 28 prelab: Read through lab manual chapter 28. Follow the instruction procedures step 1-14 to open the GRANTA software. Take a screenshot (as shown in step 14) to show you’ve successfully accessed the software, paste it below; save the file as a pdf, and upload the file to BrightSpace. Chapter 29 prelab: Read through the instructions in chapter 29, and week 12 lab PowerPoints and answer the following questions: 1. Knowing the microstructure of a material can be important when selecting a material for a product. Give an example of a material with multiple microstructures. Identify at least two of the microstructures. In this structure martensite will have Body center tetragonal while austanite will have face center micro structure. This type of structure generally form when you will quench the austanite at rate more than critical cooling rate 2. The MET 14400 lab work will be done using reflected brightfield microscopy. Why is that method necessary for many polymer and composite materials? So that you don’t deform the material
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