ASTM C633 is the test method for the adhesion or cohesion strength of thermal spray coatings. To match this to your program, talk with our team.
What ASTM C633 Covers
It measures the bond of a thermal spray coating to its substrate, or the cohesion within the coating, by applying tensile force normal to the surface.
How the Test Is Run
A coated specimen is bonded between loading fixtures and pulled in tension until the coating separates, and the strength is calculated from the failure load and area.
Why It Matters
Coating adhesion governs thermal-spray durability in service; tensile fixtures aligned normal to the coating and a suitable adhesive are essential.
Reading the Designation
Cited as ASTM C633 with its edition year. Confirm the edition and specimen or fixture requirements before finalizing setup. To configure a testing setup, request a quote.
Related Standards
ASTM D5868 covers lap-shear adhesion of bonded FRP and ISO 252 covers conveyor-belt layer adhesion.
Request a Quote
Setting up thermal spray coating adhesion testing to ASTM C633? Request a quote and our team will help you build a system matched to your coating type and fixture bonding.
TensileMill CNC products for ASTM C633
Our specimen-preparation systems and testing equipment compatible with ASTM C633:
TensileMill CNC MICRO – Precision Flat Tensile & Impact Micro Machine
MICRO – Precision Flat Tensile & Impact Sample Preparation
TensileTurn CNC – Industrial Upgrade – Round Tensile Sample Preparation Machine
Industrial Upgrade – Round Tensile Sample Preparation
Electro Mechanical Universal Testing System 5 kN / 50 kN with Precision Load Cell
Electro-Mechanical UTM · 5 kN / 50 kN with Precision Load Cell
Configure your ASTM C633 setup with TensileMill CNC
Adding capacity or replacing older equipment? TensileMill CNC can support your ASTM C633 program. That typically means universal testing machines, specimen-preparation systems, grips, and fixtures. Send us your specimen types and target standards, and we will help you spec the right system.