MODULE 4// 1st year C-cycle:Elements of Mechanical Engineering (mechanical-18ME15/25)

MODULE 4 NOTES:

CONTENTS OF MODULE 4:

MOD 4-

Properties, Composition and Industrial Applications of engineering materials

Metals-Ferrous: cast iron, tool steels and stainless steels and nonferrous: aluminum, brass, bronze. Polymers -Thermoplastics and thermosetting polymers. Ceramics -Glass, optical flber glass, cennets. Composites -Fiber reinforced composites, Metal Matrix Composites Smart materials -Piezoelectric materials, shape memory alloys, semiconductors and insulators.

Joining Processes: Soldering, Brazing and Welding Definitions. Classification and methods of soldering, brazing and welding. Brief description of arc welding, oxy-acetylene welding, TIG welding, and MIG welding.

Belt drives Open & crossed belt drives, Definitions -slip, creep, velocity ratio, derivations for length of belt in open and crossed belt drive, ratio of tension in flat belt drives, advantages and disadvantages of V belts and timing belts, simple numerical problems.

Gear drives Types-spur, helical, bevel, worm and rack and pinion. Velocity ratio, advantages and disadvantages over belt drives, simple numerical problems on velocity ratio. 

(RBT Levels : Ll, L:Z & L3)

EME-18ELE15/25- handwritten notes below

NOTE: these are  notes from different authors /publications/ sources/websites.



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notes- 1 & 2 is handwritten


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