Iet test 3

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JohnLee397
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Iet test 3
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2012-12-04 18:34:51
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Iet test manufacturing
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Iet test 3
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  1. Properties of metal 
    High stifness/strenghth, toughness, good electrical and thermal conductivity 
  2. High stifness/strenghth, toughness, good electrical and thermal conductivity 
    Properties of metal
  3. Toughness 
    absorb energy
  4. absorb energy
    Toughness
  5. Forms of metal in Manufacturing 
    Cast, wrought, powdered
  6. Cast, wrought, powdered
    Forms of metal in Manufacturing
  7. Classifciation of metals
    Ferrous, nonferous,
  8. Ferrous, nonferous, 
    Classification of metals
  9. Ferrous
    based on iron
  10. based on iron
    Ferrous
  11. Nonferous
    all other Metals
  12. all other Metals
    Nonferous
  13. alloys 
    increase stregnth, hardness and other properties
  14. increase stregnth, hardness and other properties
    alloys
  15. alloys 
    is a mixture or compound of two or more elements, at least one metallic
  16. is a mixture or compound of two or more elements, at least one metallic
    allloys
  17. two categories of allloys
    solid solutions and intermediate phases
  18. solid solutions and intermediate phases
    two categories of allloys
  19. solid solution 
    alloy in which one element is dissolved in another to form a single-phase structure
  20. alloy in which one element is dissolved in another to form a single-phase structure
    solid solution
  21. definition of phase 
    any homogenous mass of material, such as a metal in which the grains all have the same crystal lattice structure. 
  22. any homogenous mass of material, such as a metal in which the grains all have the same crystal lattice structure. 
    defintion of phase
  23. metals use a crystalline structure. true or false
    true 
  24. two forms of solid solutions (both forms alloyed together is stronger)
    substitional solid solution (replaced), interstitail solid solution (vacant spaces)
  25. substitional solid solution (replaced), interstitail solid solution (vacant spaces)
    two forms of solid solutions
  26. Intermediate phases
    limits to the solubility of one element in another 
  27. limits to the solubility of one element in another 
    Intermediate phases
  28. Phase diagrams 
    Graphical means of representing the phases of a metal alloy systems as a function of composition and temperature
  29. Graphical means of representing the phases of a metal alloy systems as a function of composition and temperature
    phase diagrrams
  30. Heat treatment 
    various heating and cooling procedures performed to effect structural changes in a material to affect its mechanical properties. 
  31. various heating and cooling procedures performed to effect structural changes in a material to affect its mechanical properties. 
    Heat treatment
  32. Heat treatment is done
    up front/after forming/at end
  33. up front/after forming/at end
    heat treatment is done
  34. Principle heat treatments
    annealing/ quenching/ tempering/ austenizing/ surface hardening/ 
  35. annealing/ quenching/ tempering/ austenizing/ surface hardening/ 
    Principle heat treatments
  36. quenching 
    uses of various coolants to affect cooling rate of materials
  37. uses of various coolants to affect cooling rate of materials
    quenching
  38. Annealing is done by
    Heat/ Soak / cool
  39. Heat/ Soak / cool
    Annealing is done by
  40. Two types of Annealing 
    Full/ Normazing 
  41. Full/ Normazing 
    two types of annealing
  42. Full Annealing 
    Produce coarse pearlite
  43. Produce coarse pearlite
    Full Annealing
  44. Normalizing Annealing 
    Faster cool rates resulst in fine pearline 
  45. Faster cool rates resulst in fine pearline 
    Normalizing Annealing
  46. Tempering 
    heat treatment applied to martensite to reduce brittlness, increase toughness and relieve stresses
  47. heat treatment applied to martensite to reduce brittlness, increase toughness and relieve stresses
    tempering
  48. Martensite
    When austenite cools rapidly producess this hard brittle steel
  49. When austenite cools rapidly producess this hard brittle steel
    Martensite
  50. when Martensite heat treated austenized quenched tempered 
    Fcc austenite transforms into BCT 
  51. Fcc austenite transforms into BCT 
    when martensite heat treated austenized quenched tempered 
  52. Tempered Martensite 
    Heating and soaking to a temp
  53. Heating and soaking to a temp
    Tempered Martensite
  54. Surface hardening 
    thermochemical treatments applied to steels to alter the composition of the part surface
  55. thermochemical treatments applied to steels to alter the composition of the part surface
    Surfface hardening 
  56. Hardness Measurement is different from 
    Harnability
  57. where casting is performed
    foundry
  58. Foundry
    where casting is performed
  59. Types of mold
    Expendable, permanent
  60. Expendable, permanent
    types of mold
  61. Casting of metals 
    process in whihc molten metal flows by gravity or other force into a mold where it solidifies in shape of a mold
  62. process in whihc molten metal flows by gravity or other force into a mold where it solidifies in shape of a mold
    casting of metals
  63. Advatages of casting 
    make complex parts/ mass productiong/ both external and interal shpaes
  64. make complex parts/ mass productiong/ both external and interal shpaes
    Advantages of casting 
  65. disadvanges of casting 
    limitations on mechanical properties/safety/ environment problems
  66. limitations on mechanical properties/safety/ environment problems
    disadvantages of casting
  67. Casting is used to make
    Large parts like bells/railrods
  68. Large parts like bells/railrods are made using
    Casting
  69. Mold 
    contains cavity whose geometry determines part shpae
  70. contains cavity whose geometry determines part shpae
    Mold
  71. Types of molds
    Open/close
  72. Open/Close are types of 
    molds
  73. Two types of casting processes 
    expendable and permanent
  74. expendable and permanent
    Two types of casting processes 
  75. expendable casting process
    mold destroyed to remove casting
  76. mold destroyed to remove casting
    expendable casting process
  77. Permanent casting process
    mold use to produce many casting (usually sand)
  78. mold use to produce many casting (usually sand)
    permanent casting process
  79. Usuall objectives of heat treatment
    increase hardness, reduce brittlness, relieve stresses
  80. increase hardness, reduce brittlness, relieve stresses
    Usuall objectives of heat treatment
  81. Quenching media, ways to cool metal and faster one is
    air, brine,oil, pure water fastest method is brine
  82. air, brine,oil, pure water fastest method is brine
    Quenching media, ways to cool metal and faster one is
  83. Metal austenizing is performed for
    Steel 
  84. Steel performs this process
    austenizing 
  85. Treatment in which the brileness of martensite is reduced is
    Tempering
  86. Tempering
    Treatment in which the brileness of martensite is reduced is
  87. Jorminy end quench test is designed it indicate
    Hardenability
  88. Hardenability is found with this test
    Jorminy end quench test 
  89. In precipitation hardening and strengthning of metal occurs in
    aging
  90. aging is a step in 
    In precipitation hardening and strengthning of metal occurs in
  91. Steps in precipitation hardeing 
    aging, solution treatement, quenching
  92. aging, solution treatement, quenching
    steps in precipation hardening
  93. most common surface hardening treatment
    carburizing
  94. carburizing is the most common
     hardening treatment
  95. selective surface hardening methods 
    Electron beam heating, laser beam, vacuum furnaces
  96. Electron beam heating, laser beam, vacuum furnaces
    selective surface hardening methods
  97. L(Liquid) equation for phase diagram =
  98. L(Liquid) equation for phase diagram =
  99. S (Solid) equation for phase diagram =
  100. S (Solid) equation for phase diagram =

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