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building tech 101 > METAL > Flashcards

METAL Flashcards

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1
Q

-natural
- In forms of metal ores
-inorganic
- discovered in early 19th to late 20th
century
- used in industrial revolution

A

metals

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2
Q

Properties

A

 Malleability
 Ductility
 Conductivity
 Lustrous

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3
Q

classification of metals

A

ferrous metals
nonferrous metals

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4
Q

contains iron
magnetic
ferrum (iron)

A

ferrous metals

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5
Q

not iron-based
use of magnet
malleability

A

nonferrous metals

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6
Q

ferrous metals 5 examples

A

 Iron
 Pig iron
 Cast iron
 Wrought iron
 Steel

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7
Q

nonferrous metals 7 examples

A

 Copper
 Aluminum
 Zinc
 Tin
 Lead
 Cobalt
 Nickel

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8
Q

uses of metals

A

 Electronics
 Transportations
 Telecommunication
 Construction

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9
Q

application of metal

A

 Reinforcements – steel rebars
(tension, compression,
 Structures
 Cladding
 Roofing
 Plumbing
 Heating equipment
 Framing
 Windows

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10
Q

types of metals

A

steel
alloy steel
stainless steel
iron
cast iron
wrought iron
aluminum
bronze
lead

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11
Q
  • Used in buildings, infrastructure,
    tools, ships, trains, cars, bicycles,
    machines, electrical appliances, and
    weapons.
A

steel

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12
Q
  • High tensile strength and low cost.
A

steel

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13
Q
  • World’s most important
    engineering and construction
    material
A

steel

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14
Q
  • An alloy of iron and ___ with
    improved strength and fracture
    resistance
A

carbon

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15
Q
  • A type of steel alloyed with several
    elements such as molybdenum,
    manganese, nickel, chromium,
    vanadium, silicon, and boron that
    increase strength, hardness, wear
    resistance, and toughness
A

alloy steel

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16
Q
  • used to manufacture pipes,
    especially pipes for energy-related
    applications
  • used in manufacturing of heating
    elements in appliances like toasters,
    silverware, pots and pans, and
    corrosion-resistant containers
A

alloy steel

17
Q
  • Made primarily from iron and
    carbon in a two-step process
  • The addition of chromium (cr) and
    other alloying elements such as
    nickel (Ni) to create a corrosionresistant product makes the
    stainless steel different
A

stainless steel

18
Q
  • Used in the kitchen accessories,
    cutlery and cookware
  • less ductile grades of ___ are
    used to make knife blades with
    sharp edges
A

stainless steel

19
Q
  • more ductile grades of ___ are
    used for items that have to be
    molded into shape such as cookers,
    grills, sinks and saucepans
A

stainless steel

20
Q
  • used to manufacture steel, used in
    civil engineering (reinforced
    concrete, girders etc) and in
    manufacturing.
A

iron

21
Q
  • It is a lustrous, ductile, malleable,
    silver-grey in colour
  • the tenth most abundant element
    in the universe
A

iron

22
Q
  • An alloy of iron that contains 2 to
    4 percent carbon, along with varying
    amounts of silicon and manganese
    and traces of impurities such as
    sulfur and phosphorus
  • made by reducing iron ore in a
    blast furnace.
A

cast iron

23
Q
  • A soft, ductile, fibrous variety that
    is produced from a semi fused mass
    of relatively pure iron globules
    partially surrounded by slag usually
    contains less than 0.1 percent
    carbon and 1 or 2 percent slag.
A

wrought iron

24
Q
  • most abundant metallic element in
    earth’s crust and the most widely
    used nonferrous metal
  • it is hard, ductile, malleable, and
    lustrous with a high melting and
    boiling point
A

aluminum

25
Q

is typically 88
percent copper and about 12
percent tin bronze is of exceptional
historical interest and still finds
wide applications.

A

modern bronze

26
Q
  • An alloy traditionally composed of
    copper and tin
A

bronze

27
Q
  • A heavy metal that is denser than
    most common materials
  • It is soft and malleable and has a
    relatively low melting point.
A

lead

28
Q

when freshly cut, lead is a shiny __ with a hint of __.

A

gray, blue

29
Q
  • chemical element, metal of group 8
    (___) of the periodic table, the
    most-used and cheapest metal
A

VIIIB

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