Compatibility test

Test Background

The liquid-cooled plate is immersed in the coolant for a long time. The chemical compatibility between the material and the coolant directly affects the service life and system cleanliness. Corrosion, precipitation, and blockage are the main failure modes of the liquid-cooled system.

Test Introduction

The compatibility test evaluates the chemical stability between the liquid-cooled plate material and the coolant through static/dynamic corrosion tests of the coolant and cleanliness tests, as well as the pollution risk of processing residues to the system.

Testing Objectives

Verify the corrosion rate of aluminum/copper materials in the coolant

Detect the amount of metal ion precipitation after long-term operation

Evaluate the cleanliness level of welding residues, processing debris, etc.

Ensure that there is no blockage or leakage caused by material compatibility

Test Standards

ASTM D1384 Coolant corrosion test

ASTM D2570 Fluid compatibility test

ISO 16232 Cleanliness determination

VDA 19 Cleanliness standard for the automotive industry

Applicable Products/Fields

Suitable for material selection and verification of various liquid-cooled plates, heat dissipation modules, and heat exchangers.

Test Content

Static corrosion test: Immerse at 85°C for 1000 hours and measure the corrosion rate

Dynamic corrosion test: Corrosion test under cyclic flow conditions

Cleanliness analysis: Analysis of the size and composition of particles in the flushing fluid

Metal ion release test: Detect ion concentration by ICP-OES

Project Advantages

Capable of simulating both static and dynamic corrosion conditions

Combined analysis using ion chromatography and ICP-OES

Cleanliness analysis covering particles, fibers and metal debris

Laboratory Configuration

Constant-temperature corrosion test chamber

Dynamic corrosion circulation test bench

Ion chromatograph, ICP-OES

Cleanliness analysis system (microscope + image analysis)

FAQ
Q: Will the aluminum cooling plate corrode in ethylene glycol solution?
A: Pure aluminum will corrode, but with surface passivation treatment and the addition of corrosion inhibitors in the coolant, the corrosion rate can be controlled within 0.1 mm/year.