UNIT-III Powder Bed Fusion MF8071 Additive Manufacturing

what is the source of energy in Powder bed fusion

• Electron beam

• heat

• laser

• all the above

what is the limitation in SLS process

• only non ferrous materials parts can be printed

• only plastic parts can be printed

• only metal parts can be printed

• both plastic and metal parts can be printed

Expansion of SLS

• Selective Laser Source

• Selective Laser Sintering

• Scanned Laser Source

• Scanning Laser Source

what is the process in SLS

• melt and solid

• heat and melt

• melt and fuse

• melt and cool

Powder Bed Fusion Dosn't need Part Support

• Yes

• No

After printing process, how the materials has been removed

• hand removal technique

• manual part removal

• wire eroding

• wire cut machining process

Stainless steel material is used in the ______ process

• SLS

• DMLS

• SLM

• EBM

Ceramics glass, plastics, metals and alloys can be printed through Powder Bed Fusion Technique

• Yes

• No

In case of Powder Bed Fusion, the powder is recyclable

• Yes

• No

Nylon Material is prepared by

• Selective heat sintering

• Selective Laser sintering

• Electron Beam Machining

• SLM