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Newsletter
Newsletter
The Penetrant Professor is an playfully chatty, occasional publication of Met-L-Chek®.
AEROSOLS
Pump Sprayer vs. Aerosol Cans
AMS 2644
New Qualifications (2015)
ASTM E-165
Semantics & Auditors
AMS COMMITTEE K
Meeting Updates from 9/17
ASTM E-1135
Round Robin Testing for Accuracy
ASTM E-1417
Water Content – Karl Fischer Method
Analysis Requirements
Guidelines for Indicators
ASTM E-1444
Aerosol Particle Concentration
ASTM/NADCAP
TAM Panels
NADCAP & ASTM E1417
VOTE!
NADCAP Influence
AUDITS
Met-L-Chek Opinion
Auditor vs. Contractor
MIL-I-25135, AMS 2644
ASTM E1417 & D-95 Testing
BATCHES, MIXING
Consistency, Contamination
Consistency, Contamination
BATCH NUMBERS
Numbering System
On Tanks
BLUE LIGHT/UVA
USAF Materials Lab Testing
Points by Blueline NDT
UV-A LED's
Battery Powered, Intensity
UV Blocking Glasses, UV & White Light
Papers – USAF & Materials Evaluation
ASTM E-1417 & E-1135 Requirements
Technical Requirements
What You NEED To Know
CLEANING
Choosing A Cleaner
Guide To Cleaning
CONTAMINATION
Horror Stories & Good Practice
CRACKED ALUMINUM BLOCKS
ASME PV&B, AMS 2647, TAM Panel
CRACKS, HOW SMALL
Limitations of the Inspector
NASA STD 5009 & PoD
DEVELOPERS
Soluble/Suspendible Concentrations
Soluble/Suspendible Concentrations
Effects on Indications
Brightness Differences
Proper Handling
Wet v. Dry Spray
Type I & II
Application Time
Proper Use
ELECTROSTATIC SPRAYING
Application & Variables
Dry Powder Developer
Thickness, De-Wetting
EMULSIFICATION
Concentration Effects
EMULSIFIER, HYDROPHILIC
Calibrated Refractometer
ASTM E-1417 Requirements
Making A Bath/Custom Graph
Making A Graph
Water Pre-Rinse
Periodic Testing
EMULSIFIER, HYDROPHILIC CONCENTRATION
Makeup & Care
Frequency of Recording
Concentration: QPL, Pratt & Whitney, ASTM E-1417
Refractometer, Graph, Concentration
Brix Scale, Over/Under Concentration
AMS 2647 & ASTM E1417 Requirements
ENGINE CRANKSHAFT INSPECTION
Problems With/Without Dissasembly
FLASH POINT VS. AUTO IGNITION TEMPERATURE
Defined, D93, ISO 2719
FOOD PREPARATION EQUIPMENT
Inspection Process & Safety
GLOBALIZED HARMONIZED SYSTEM
MSDS, OSHA, NFPA, HMIS, DOT, WHMIS
HISTORY, PENETRANT SPECIFICATIONS
From MIL-I-25135 to AMS 2644
2016 Meeting Updates: ASNT, AMS, NDTMA, A4A, WCNDT, ISO, NADCAP
IN SITU FPI SYSTEMS
Aerospace Engine Inspection
In Remembrance
Kermit Skeie & Others
LIMITED USE PENETRANTS
Thixotropic, Dual Purpose, Reverse Fluorescence, Felt Tipped & Peelable
METHODS A & C
Changing from Visible to Fluorescent
NADCAP AUDITS
Preparation – George Hopman
NDT EUROPA
Affiliate in Europe
QUESTIONS FROM CUSTOMERS
Iowa State Univ. – Using Older Penetrants
Trust Met-L-Chek
P&W FPM
UV Blocking Glasses, UV & White Light
PEN-CHEK PROGRAM
Penetrant Tank Life
PENETRANT APPLICATION
Dwell Times
Sensitivity
Dwell Times
PENETRANT APPROVAL
AMS 2644
PENETRANT BRIGHTNESS
Sandia Labs Investigation
Effects of Heat Fade
FAA & Iowa State – Study
Other Methods of Measuring
Development of ASTM E-1135
PENETRANT CLASSIFICATION
Different PT inspections on the Same Part
PENETRANT CONTAMINATION
Sources
PENETRANT CONTENTS
Penetrant Disposal – Environment & Public Treatment Works
Testing Glass
Glass Experiment
PENETRANT INDICATIONS
Verifying Indications per ASTM E-1417
PENETRANT INSPECTION & PAINTING
Painting After a PT Test
PENETRANTS – MIXED
Can You Mix Penetrants?
PENETRANTS – NOMENCLATURE
What Does the (M) Stand For?
PENETRANT PROCESS
Back to Basics
REPROCESSING PENETRANTS
Not Allowed
PENETRANT SENSITIVITY
Measuring
Spray, Brush, Immerse …
Dwell Time & Draining
Method A vs. Method D
PENETRANT WASHING
Immersion Washing
PENETRANT TEMPERATURE
Cold Weather Effects
Low & High Temperatures
POD’S FOR FPI
PoD’s – Brian McCraken
PoD’s – George Hopman
PPM VS. %
Converting PPM – %
Answering an Auditor
PVC
Draining & PVC Pipes
QUALIFIED PRODUCTS LIST
AMS 2644 – Form b & Form c
REFRACTOMETERS
NADCAP & Charts
SENSITIVITY & SURFACE ROUGHNESS
Does Roughness Affect Sensitivity?
SHELF LIFE
Defined
Re-certifying & Extending
SPECIFICATIONS
TAM Panels,
psi,% Brix
SPOTMETER
Then & Now
TAM PANELS
George Hopman – It’s Limitations
Pratt & Whitney
Known Defect Standard?
Hoffman Panel
TANK LIFE
What is Tank Life?
VISIBLE PENETRANTS
Sensitivity
VOLUME VS. WEIGHT
Fluid oz vs. Weight oz
Units & Labels
WASTE WATER TREATMENT
Guide to Waste Water Treatment
WATER CONTENT
ASTM E-1417
Karl Fischer, ASTM D-95
AMS 2647
Volume % vs. Weight %
Over 5% Limit
Post Emulsifiable Penetrants
ASTM E-1417 Wording
NADCAP Response
WATER WASHABLE VS. WATER BASED
Is Water Washable Water Based?
WHITE LIGHT INSPECTION
Can You Increase Sensitivity?
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