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PACE Technologies Metallographic Preparation CLASS Chart icon

Neodymium
Specimen Preparation (Class 4 Procedures)
Metallographic Class 4 sample preparation

Neodymium is a rare earth metal which has some very interesting properties. The applications for neodymium include magnets (strongest permanent magnets known), colorant for welder's glasses, cyrocoolers (high specific heat capacity), light filters, fertilizers, and for lasers.

SECTIONING
MAXCUT Abrasive blade (Cat. No. MAX-I series)

MOUNTING
Compression Mounting with Phenolic, Epoxy or Diallyl Phthalate compression mounting resins

POLISHING
Abrasive/surface Lubricant Force/ sample Speed
(Head/base)
Time Individual
Force mode
Central Force
mode
P120 grit ALO paper*
P220 grit ALO paper*
Water 5-10 lbs 100/100 rpm Planar
1 min
  Metallographic central polishing force
P500 grit ALO paper
P1200 grit ALO paper
Water 5-10 lbs 100/100 rpm 1 min
1 min
Metallographic individual polishing force Metallographic central polishing force
1 um DIAMAT diamond
on ATLANTIS polishing pad
Water 5-10 lbs 100/100 rpm 2 min Metallographic individual polishing force Metallographic central polishing force
0.05 um acidic Nanometer
alumina on a
BLACKCHEM 2 pad
Polishing with 10%
diluted etchant,
alternate between
polishing and etching
5-10 lbs 100/100 rpm 1 min Metallographic individual polishing force Metallographic central polishing force

*Required for central polishing force. Click here for more information on central vs. individual polishing force polishing.

Metallographic micrograph of neodymium rare earth alloy
Neodymium-Aluminum-Titanium casting, (polarized light).

ETCHING

Common Etchants
PACE Technologies Recommended Etchants

PACE Technologies Etchant Database

CAUTION:Safety is very important when etching. Be sure to wear the appropriate protective clothing and observe all WARNINGS on chemical manufacuters SDS (Safety Data Sheets). Also review the COMMENTS and CONDITIONS Section for each etchant.


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