An interrupted quenching process resulting in austenite to bainite transition

An interrupted quenching process resulting in austenite to martensite transition

Also known as thermomechanical processing, the steel is formed into desired shapes within controlled ranges of temperature and time to avoid formation of nonmartensitic transformation products.

SAE Specification for Nickel Steels

SAE Specification for Molybdenum Steels

SAE Specification for Chromium Steels

SAE Specification for Plain Carbon steels

SAE Specification for Free Cutting Steels

SAE Specification for Manganese Steels

SAE Specification for Boron Steels

SAE Specification for Silicon Manganese Steels

Contains 0.35% sulfur

Contains about 3% aluminum

Contains at least 3% silicon

Contains at least 2 to 30% nickel

Alloy of iron with 30% nickel

Contains no silver, but 10 to 30% nickel and at least 5% zinc.

Contains 45% nickel

Contains 66% nickel. Has same corrosion resisting and high temperatures as Monel and is wholly nonmagnetic

Contains 73% nickel, has low creep rate and is age hardenable

Contains 79.5% nickel and has better resistance to sulphur at higher temperatures than monel

85% copper and 15% zinc used for severe cold drawing, stamping and spinning

Used in gun metals with 88% copper and used in products requiring decorative elements

60% copper and 40% zinc, used for salt water corrosion resistance and as lining on boats

It resists pitting, stress corrosion, cracking, and reducing atmospheres as hot at l,900°F. It also resists formation of grain-boundary precipitates in heat-affected weld zones, so it is suitable for most chemical-process applications in the as-welded condition.

It is the most effective elements for reducing the brittleness of steel at very low temperature

It is the most effective elements in retarding softening during tempering

Most important nickel-copper alloys with excellent resistant to salt water, brine, caustic soda, sulphuric and hydrochloric acid

Most common alloy manufactured by the American Brass Company, containing 2 to 2.5 percent beryllium

Which of the following Thermit welding procedures, produced high temperature

It is mostly used in high speed tool steel in which it forms a hard abrasion resisting carbide

Used in highest quality thermostatic bellows

It is known as good general purpose deoxidizer

Has a tin base and is general purpose bearing material, also used for die casting

Used in wear-resisting parts in excavating and farm machinery, gears and forgings

Used in leaf and coil springs

Perhaps the best general purpose AISI steel.

Used in bolts, studs, tubing subjected to torsional stresses

Projection welding belongs to what category of welding process?

Alloy of copper and tin

Alloy of copper and zinc

Is an alloy of tin, copper and antimony

It is an expensive alloy of nickel, molybdenum and iron (5%) that is very useful in the chemical industry because it resists certain corrosion admirably.

In double helical gears, the helix angle may be made up to _____ degrees

The moment diagram for a cantilever beam subjected to bending moment at the end of the beam will be

Counteracts brittleness from sulfur

Used for de-oxidation and for stabilizing austenitic stainless steels and improves creep strength

Deoxidizes steels, improves toughness and may improve formability and machinability

Used as electrical resistors and heating elements

It generally improves red hardness

It is a weldable wrought alloy, resists hot sulfuric acid and phosphoric acid

Nickel-based superalloy typically used in high temperature applications, particularly in gas turbines.

It is a precipitation-hardenable nickel-chromium superalloy with exceptionally high strength due to the addition of aluminium and titanium. The alloy also offers outstanding oxidation resistance up

It is the lightest of the commercially important metals having specific gravity of about 1.74

Is zinc alloys maybe used for either die castings or sand castings for such articles as automotive parts, building hardware, padlocks, toys and novelties

Are light materials with Young's modulii 50 percent greater than those for steel; they have high specific heats and relative high corrosion resistance

Improves machinability of stainless steel and also added to leaded re-sulfurized carbon steels for the same purpose

It is a nickel-molybdenum alloy with significant resistance to reducing environments, such as hydrogen chloride gas and sulfuric, acetic and phosphoric acids.

Composed of nickel and copper having tensile strength ranging from 70 to 170 ksi.

Manganese becomes an alloying elements when its amount exceeds about

It becomes much stronger if thermally treated, which causes throughout its matrix, a process called precipitation hardening. It also retains excellent spring properties up to 600°F

Also referred to as columbium

It is an age hardenable wrought alloy which has mechanical properties comparable to those of heat treated alloy steel of the same order of hardness and resistance to corrosion similar to that of monel. What is this alloy of nickel?

Has the highest melting point of any metal (3410 C)

Together, wiping and coating metallic parts

It resists active oxidizing agents such as wet CL2 (chlorine), hypochlorite bleach, FeCI3 (iron chloride), and HNO3 (nitric acid). It also resists oxidizing and reducing atmospheres at temperatures up to 2,000°F, and can still carry loads at temperatures to l,600°F.

Kevlar epoxy composite is widely used in

Are nickel-chromium-titanium-manganese-silicon wrought alloys exhibiting high strength at elevated temperatures

These monel alloys can be precipitate-hardened to high levels of strength much like Duranickel

It increases the fluidity of the melt

Nickel-molybdenum-chromium-copper (Ni-Mo-Cr-CU) alloys

It is a nickel-chromium-cobalt superalloy low precipitation hardened.

The motion of a shaft in a circular hole is an example of _____ motion

Is an extremely hard but brittle material. In the granular form it is applied by welding to form an abrasion-resistant surface. It is widely used on cutting-edges of oil-well drag bits, roller type rock bits, scrapers and excavating shovels.

It is a cast alloy, is especially resistant to sulfuric acid. It can also have its hardness increased by heat treatment at temperatures from l,100°Fto l,400°F.

Has zero coefficient of heat expansion, used for measuring instruments.

What accounts for the backlash of spu

A brass that has about same strength as mild steel. Used for shafts on small boats and for feed pump shafts and valve trim where corrosive conditions exist,

These resists oxidizing at temperatures up to 2,200°F, and retains useful creep and ruptures properties at l,800°F.

In sulfuric acid, which of the following is suitable for handling acids in concentrations up to 50% and at a temperature including boiling point?

Used in very small amounts which is an economical hardenability agent in low or de-oxidized steels.

Are used in nuclear reactors because of their low neutron-absorption characteristics

Are materials with melting points above approximately 2550 degF

Outstanding corrosion resistance to most acids, chlorides, and organic acids.

When more than one spring or resisting member shares the load, the relative stiffness is the

Trade names, Everdure and Duronze

Cobalt-chromium-nickel-manganese-silicon cast alloys having high strength at elevated temperatures; they are difficult to machine and are not easy welded.

It promotes fine-grain structure, improves the ratio of endurance strength to ultimate strength of medium-carbon steels

Arc of the pitch circle through which a tooth travels from the point of contact with the mating tooth to the pitch point of a gear.

Molybdenum-chromium-nickel steel designation:

Bearing surface that completely surrounds the journal is also called

The ratio of the pitch diameter in inches to the number of teeth

Ideal herringbone gear helix in the range of

A machine member which is used to connect shafts and to disconnect them at will:

Poisson's ratio is the ratio of:

In a chain drive design for large speed reduction it is preferable to use a double reduction of compound type of transmission instead of single two sprockets transmission. Drives should be so designed that the angle between two tight chain strands does not exceed _____ degrees.

The product of the mass and the linear velocity of a body.

Imaginary formed by the intersection of the flanks of when extended is called _____ beyond the root.

A hydrostatic bearing is one which: