Project #1 / H.C. Starck / Clients / Media

Name

Project #1

Test Objective

Test material for cleanliness before and after our process.

Witnessed

No

Confidential

No

Help Implementing

No

Submission Date

01/24/2000

Representatives

Dan Collins

Substrates

Alloys

Sample Type

Tantalum & Niobium

Product Use

various industries

Percentages Cleaned

90% Tantalum

Weight Min

Weight Max

Approximate Size

13 inches wide any length by 0.001-0.03 inches thick

Approximate Size ID

Small

Weight Range ID

Less than 1 lb

Shape

Smooth

Hardness

Hard

Shape Type

Simple

Return Samples

Yes

Return Sample Address

Contaminants

Cutting/Tapping Fluids
Lubricating/Lapping Oils
Oil

Samples Available

Yes

Pre Clean Manufacturing Step

rolled on a rolling mill

Post Clean Manufacturing Step

annealed in furnace

Parts Cleaned Per Week

30 coils

Parts Cleaned Per Bath

Frequency

PSI

Equipments

Mechanical Agitation

Vendor

Billco

Cleaning Chemicals

RB Degreaser

Concentration

5

Cleaning Temp

Cleaning Time

Cleaning Water Type

Tap

Problems With Current Method

Requires a significant amount of maintenance

Purpose of Cleaning

Remove oil for annealing furnaces or for slitting process

Rinse Time

1/6

Rinse Temp

60

Rinse Water Type

Tap

Drying Method

Air Knives

Drying Time

1/6

Drying Temp

room

Storage Type ID

Stored

How Stored

as coil

How Long Stored

1-2 days then slit or shipped

Analysis Method

Wipe

Performance Test

Comments or Concerns

We want to determine the amount of oil on the strip before and after cleaning

Summary

Lab evaluated a couple of methods, both seem to be potentially applicable. Further testing to correlated readings to known levels of contamination.

Implementation

No

In Progress

No

Technolog Transfer

No

Analysis Only

Yes

Part Picture

Yes

Name	Class	Section
Trial #0	Trial	3
Trial #1	Trial	3
Trial #2	Trial	3

Default object view. Click to create a custom template, Node ID: 4347, Object ID: 4346

Project #1