Project #2 / Walbar Metals / Clients / Media

Name

Project #2

Test Objective

To discover different way of removing an adhesive coating.

Witnessed

No

Confidential

No

Help Implementing

No

Submission Date

08/11/1998

Representatives

Sophia Fotopoulas

Substrates

Alloys
Nickel
Plastic

Sample Type

styrene butadiene

Product Use

turbine engine blades

Percentages Cleaned

Weight Min

Weight Max

Approximate Size

Approximate Size ID

Weight Range ID

Shape

Rough

Hardness

Hard

Shape Type

Simple

Return Samples

No

Return Sample Address

Contaminants

Cutting/Tapping Fluids
Greases
Lubricating/Lapping Oils
Waxes
Oil

Samples Available

Yes

Pre Clean Manufacturing Step

pressurized air and water treated

Post Clean Manufacturing Step

pressurized air and water treated

Parts Cleaned Per Week

Parts Cleaned Per Bath

Frequency

PSI

Equipments

Ultrasonics
Vapor Degreasing

Vendor

Cleaning Chemicals

Acetone

Concentration

100

Cleaning Temp

140

Cleaning Time

30

Cleaning Water Type

DI

Problems With Current Method

Acetone smells bad and it evaporates too quickly

Purpose of Cleaning

To remove the lacquer. Lacquer is used to selectively plate on certain areas.

Rinse Time

10

Rinse Temp

1665

Rinse Water Type

DI

Drying Method

No relation

Drying Time

Drying Temp

Storage Type ID

Stored

How Stored

containers

How Long Stored

1-3 days

Analysis Method

Visual

Performance Test

Comments or Concerns

Cleaning time is not important. Our emphasis is complete removal of lacquer by vapor degreasing methods only.

Summary

The second project found that hot water was effective in peeling the coating from the nickel alloy.

Implementation

No

In Progress

No

Technolog Transfer

Yes

Analysis Only

No

Part Picture

Yes

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

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Project #2