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Ti-AP-16

Material Specific

Composition

2ml HF, 5ml HNO₃, 100ml H₂O

2%

Method

Swabbing

Time

5s

Alternative Names

Titanium AP-16Titanium Etchant AP-16

Tags

titaniumtitanium-alloy

Reveals

Alpha-beta phases, grain boundaries

Typical Results

Alternative etchant for titanium alloys. Reveals alpha and beta phases.

Color Effects

Alpha phase light, beta phase dark

Compatible Materials

titaniumtitanium-alloy

Incompatible Materials

steelaluminum

Application Method

Method:swabbing
Typical Time:5 seconds

Preparation Notes

CAUTION: HF is extremely hazardous. Mix 2ml HF, 5ml HNO₃, and 100ml water in plastic container. Use fume hood and proper PPE.

Application Notes

Swab sample for 5-15 seconds. Do not immerse. Rinse immediately with copious water.

Troubleshooting

HF causes severe burns. Always use in fume hood with proper PPE. Have calcium gluconate gel available.

Storage Notes

Store in plastic container. Label clearly. Extremely hazardous - follow safety protocols.

Alternative Etchants

  • Kroll's Reagent

Similar Etchants

  • Kroll's Reagent

ASTM References

ASTM E407