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Cylinder Head
Test Bench

Cylinder Head
Test Bench

Thermo-Mechanical Fatigue of Cylinder Heads

Using our cylinder head test bench, we simulate accelerated thermo-mechanical load cycles under laboratory conditions. This enables a rapid and reliable assessment of operational durability with respect to thermo-mechanical fatigue.

Test Bench

IABG operates two high-performance cylinder head test benches capable of reproducing realistic thermal cyclic loads in the combustion chamber roof. At the core of both systems are burner units equipped with six individually controlled propane-oxygen burners. These enable high-power testing in continuous operation across a wide range of cylinder head sizes.

The test specimen is mounted on a flow-optimized crankcase substitute, which simulates the coolant conditions of a fired engine using computer-assisted methods. Two separate coolant circuits with selectable temperatures allow for individually tailored cooling cycles.

The open design permits inspections during ongoing tests with minimal interruptions. An integrated camera system automatically detects cracks and documents their progression in real time.

Your Benefits at a Glance

✅ Early Testing Phase: Cylinder heads can be tested in early development stages – without a complete engine.

✅ Efficient and Cost-Effective: Significantly shorter testing durations and lower costs compared to full engine endurance tests.

✅ Automated Crack Detection: Real-time documentation of crack initiation and propagation via a digital camera system.

✅ High Informational Value: Fast and statistically validated results from a large number of test cycles.

✅ Wide Range of Applications: Suitable for cylinder heads from passenger cars, commercial vehicles, marine engines, and large gas engines in power generation.

✅ Innovative and Future-Oriented: Our test methodology supports shorter development cycles and reduces the need for costly engine testing.

Comprehensive Service from a Single Source

In addition to test bench operation, IABG also provides computer-assisted design and optimization of adaptation components – for clients in the automotive industry, energy sector, and shipbuilding.

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