Fundamentals of Metals: Production of Iron and Properties of Steel, Exercises of Civil Engineering

Download Fundamentals of Metals: Production of Iron and Properties of Steel and more Exercises Civil Engineering in PDF only on Docsity! 1 PRODUCTION OF IRON What are the three main raw materials needed in the production of iron in a blast-furnace process? What are the functions of each of these raw materials? What is the main product and what is the main by-product from the blast-furnace process? (The answers can be found from the video shown in class and also from lecture.) FUNDAMENTALS OF METALS 1. What are the common characteristics of metals? 2. What are the differences among wrought iron, cast iron and steel in terms of carbon content? 3. What are the differences among gray, white and ductile cast irons in terms of (A) carbon content, (B) form of carbon, (C) other alloying element, and (D) mechanical properties? 4. What properties of metal can be obtained from a tension test? 5. How are the test results of the (A) Brinell Hardness and (B) Rockwell Hardness tests reported? 6. What is the basic difference between the Brinell and Rockwell hardness test? 7. What can the results of the Brinell and Rockwell tests be used for besides indication of hardness of the metals tested? WORK HARDENING ON STEEL 1. Explain the principle of work hardening on metals. What are the effects of work hardening on the hardness, yield strength and ductility of a metal? 2. How can the amount of cold work on metal be expressed? 3. What are two commonly used method of work hardening on metals? ALLOYING ELEMENTS IN STEEL Describe the effects of the following alloying elements on the properties of steel: (A) Sulfur Docsity.com 2 (B) Manganese (C) Nickel (D) Molybdenum (E) Chromium (F) Tungsten (G) Silicon NOMENCLATURE FOR STEEL 1. Explain the AISI (American Institute of Steel and Iron) and SAE (Society of Automotive Engineers). What does an AISI 1040 steel mean? 2. What is an ASTM A36 steel? What is its yield strength? 3. What is the yield strength of an ASTM A572 Grade 42 steel? 4. What is the range of elastic modulus of steel? NONFERROUS METALS 1. Describe the properties of pure copper. 2. What are the principal elements in the following copper alloys? Describe also their properties. (A) Brass (B) Bronze (C) Aluminum bronze (D) Beryllium Copper 3. Describe the properties of aluminum. 4. Describe the properties of lead. 5. Describe the properties of zinc. What is the most common usage of zinc in structures? 6. Describe the properties of nickel. What is a monel metal? BASIC MECHANISMS OF CORROSION OF METALS 1. Describe the basic chemical reaction in the rusting of iron or steel at ambient temperature. What is the necessary condition for this type of reaction to take place? 2. Describe the corrosion of metal due to an acid or alkali. Docsity.com