Lect26_notes

12 sectioning and polishing very general

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Unformatted text preview: faces prepared for microanalysis •  Surfaces prepared for EBSD •  Surfaces prepared for grain size determination (possibly polish and etch). •  Standard metallography preparation required –  Care is important if section is to represent sample Not addressing coating issues yet CBEMS 164 – XRD, SEM & Microanalysis: Lecture 26 ! 12 Sectioning and Polishing! ! ! ! ! ! ! •  Very general - many samples and saws etc., •  Can be very time consuming •  Microscopy results can be as good as the care taken to prepare specimens. •  Once sectioned, mounting (hot and cold mounting options exist) CBEMS 164 – XRD, SEM & Microanalysis: Lecture 26 ! 13 Potential Cutting Damage! ! ! ! ! ! ! •  Low speed diamond saws designed to introduce minimal damage Cartridge brass (CuZn) cut with band saw (Light and EBSD images) CBEMS 164 – XRD, SEM & Microanalysis: Lecture 26 ! 14 Polishing Wheels! ! •  Polishing wheels are generic ! –  SiC paper ! –  Diamond impregnated cloth ! –  Diamond impregnated mylar ! films ! •  Can all be mounted on wheel •  UCI has traditional technology in MC2 •  Zeiss lab has some SBT fixtures that reduce specimen preparation time CBEMS 164 – XRD, SEM & Microanalysis: Lecture 26 ! 15 Polishing! ! ! ! ! ! !...
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This note was uploaded on 01/16/2014 for the course CBEMS 164 taught by Professor Porter,j during the Fall '08 term at UC Irvine.

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