ME 383 Exam 1 ch 1

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Elastomer polymer examples

o-rings Tires Rubberbands

Individual components are put together in a way designed for them to stay together as a unit Examples are welding and riveting

permanent joining

Types of assembly operations

permanent joining and mechanical assembly

Manufacturing processes can be broadly categorized into _____________________________

processing operations and assembly operations

Examples of composites

reinforced concrete Fiberglass

work in the SECONDARY sector _______________________________________________

revolves around processing raw materials to produce products.

the TERTIARY sector involves ____________________________

services, as opposed to products

Operations which form or change the shape of raw material

shape forming

Processing operations involve........

shape forming and treating

Activities in the PRIMARY sector of the nations economy involve ____________________________________________

the extraction of raw materials

Enhancing the properties of components

treating

treatments to the outer surface or adding coatings to it Examples are chrome plating, anodizing, powder coating

Surface processing

Examples of non-ferrous metals

Aluminum Copper Tin Zinc Silver Lead

Polymers are categorized into three major groups

Thermoplastic (can be remolded) Thermosetting (permanently set) Elastomers (flexible)

Examples of ferrous metals

Cast iron Low-carbon steel High carbon steel Tool steel Stainless steel

examples of crystalline ceramics

Clay pottery Casserole dishes Electric insulators

metals can be categorized into two groups:

Ferrous (iron-based) non-ferrous (containing no iron

Examples of amorphous ceramics

Glass bottles Window panes

Melting material and pouring it into the shape mold

casting

Types of shapeforming

casting Sintering Deformation Material removal Material addition

BB comer housed a ____________________________

coal-fired steam plant

________________ are compound materials combined in a way that makes the composite have properties superior to those of its individual components

composites

Manufacturing is divided into two main groups:

consumer goods and capital goods

Ceramics are categorized into two major groups:

crystalline (structured molecularly) Amorphous (no molecular structure)

compressing, bending or stretching

deformation

Thermosetting polymers examples

epoxy adhesive Shoe soles Flooring

The secondary sector is the sector that has _________________________

Manufacturing

________________________ covers perhaps the widest range of manufacturing operations

Metals processing

Thermoplastic polymer examples

PVC pipes Tool handles LEGO blocks

Using heat and pressure to form solid parts out of powdered materials

Sintering

Controlled heating and cooling processes, to change properties on the surface or throughout the entire part Examples are hardening and annealing

heat treating

Types of treating

heat treating and surface processes

the adoption of parts _______________________________ significantly streamlined the production of products in a higher quantities

interchangeability

Additive manufacturing processes such as 3D printing

material addition

Cutting , grinding etc.

material removal

Individual components are put together in a way designed for ease of disassembly later Examples are bolting together and mechanical interlocking

mechanical assembly

Primary sector examples:

-Mining -Forestry -agriculture -livestock -fisheries -oil and gas extraction

Secondary sector examples

-automotive production -construction -chemicals -textiles -food processing -furniture -electronics -machinery -appliances

Tertiary sector

-banking -education -entertainment -information processing -hospitality -transportation -legal services


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