<p> Cabrillo College ENGR 45 – Engineering Materials Summary: Metals ______</p><p>P 125 flow chart of metals with breakdowns</p><p>Be able to differentiate between plain carbon steel and alloy steels</p><p>P 127: know one advantage of adding each of the alloying elements to steel</p><p>P 129-131: know one advantage and one disadv of using the non-ferrous metals instead of steel</p><p>P 134: understand the fabrication operations</p><p>Hot working vs Cold working: plastic def at which temp (above or below recrystalization temp); what properties are produced and why</p><p>Given a metal and its melting point, determine if it is hot worked or cold worked at room temp</p><p>General understanding of annealing..the textbook has a great explanation</p><p>P 136: understand the terms</p><p>P 137 – 140: understand strengthening mechanisms, solid solution str., and unlimited or limited solubility</p><p>P 141-147: understand terminology on isomorphous and eutectic phase diagrams</p><p>P 148-150: Understand properties relationship to composition for both isomorphous and eutectic phase diagrams. Be able to sketch properties vs composition.</p><p>P 151-155: Be able to answer the following questions given the composition and temperature on isomorphous and eutectic phase diagrams What phases (and microconstituents) are present; What’s the composition of each phase; What is the amount of each phase and each microconstituent (suggestion: review the phase diagram quiz</p><p>P 157 – 159: Steel phase diagrams: be able to answer the same phase diagram questions above for the Fe-C phase diagram</p><p>P 160: be able to understand what the figure is communicating</p><p>P 161-62: Understand the microstructures of steel including why M has high hardness</p><p>Heat Treatment: Know the first and fourth column on p 163</p><p>P 164-167: given the cooling reaction sketch on the TTT diagram, determine the microstructure(s) produced (And be able to sketch the path given the microstructure)</p><p>P 173: Recognize the differences between the TTT diagrams of eutectoid steel vs hypo and hyper steel</p><p>P 168-69: be comfortable understanding the information provided in the diagrams</p><p>Know properties and why given on p 170 -172</p><p>Name and describe the two surface hardening techniques: carburing and nitriding </p>