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Corrosion of Cast Aluminum Alloys

The essential equipment for corrosion control testing
Methods:
ASTM D4340,

								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								ASTM D4340, 
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								

Extreme efficiency, remarkable reliability

A design you can depend on

The innovative design of Ayalytical Instruments’ cast aluminum alloy corrosion apparatus guarantees full compliance with ASTM D4340. This apparatus is ideal for evaluating the effectiveness of engine coolants in combating corrosion of aluminum casting alloys under heat-transfer conditions that may be present in aluminum cylinder head engines. It is vital that engine coolants effectively prevent such heat-transfer corrosion, which may otherwise deposit on interior radiator surfaces, thereby reducing heat-transfer efficiency of the radiator and leading to eventual overheating and boil-over of the cooling system. Using this aluminum corrosion apparatus, a heat flux is established via a cast aluminum alloy like that used for engine cylinder heads. The alloy is exposed to the coolant test sample under a specified pressure and temperature for approximately one week. The effectiveness of the coolant in preventing corrosion is then evaluated based on the weight change of the alloy specimen before and after testing.

Designed with productivity and reliability in mind, this dependable device features dual intricate heat transfer corrosion cells, each of which are comprised primarily of a Pyrex glass tube containing A truss with stainless steel top and bottom plates and central tie rods, a heat transfer bar,, a pressure relief safety valve to protect against bursting, a pressure manometer (0-400KPA), and a 950W insulated band heater for the safe and constant heating of test samples. Heating is easily and accurately controlled via electrical thermoregulators with thermocouples and digital timers. Included with this setup are standard glass O-ring joints and other essential fittings. The solidly-constructed casing in which the heat transfer corrosion cells are enclosed features an additional external acrylic safety shield for enhanced operator protection during testing. This sturdy, easy-to- operate alloy corrosion apparatus features dual heat transfer corrosion cells for the simultaneous testing of two coolant samples, covers working temperatures ranging from ambient to 160ºC (320ºF), and maintains ±0.05ºC for when stability is absolutely critical.

features__astm compliant

Models    Positions
Model 2220   CORROSION CAST ALUMINUM ALLOYS APPARATUS
Model 2220/2   CORROSION CAST ALUMINUM ALLOYS APPARATUS (2 POSITIONS)

The following accessories are recommended for purchase in sequential order (see eStore):

1st Year:
ALUMINUM TEST SPECIMEN x2
VITON GASKET, pack of 10 pcs x5
2nd Year:
Same as 1st year
Remaining Parts:
ALUMINUM TEST SPECIMEN Ø6.5×1.3 cm
PUMP
PYREX TUBE
PRESSURE GAUGE 0-400 KPa
THERMOCOUPLE J
HEATER
DIGITAL THERMOREGULATOR
TIMER DIGITALE
STATIC RELAY
BIPOLAR GREEN SWITCH
BIPOLAR YELLOW SWITCH
Test Method Compliance   ASTM D4340
Temperature   from ambient to 160°C (320°F)
Stability   ±0.5°C
Power supply   230V ±10% 50/60Hz
    CORROSION CAST ALUMINUM ALLOYS APPARATUS
Power   950W
Weight   18 kg
Dimensions   26x34x110 cm
    CORROSION CAST ALUMINUM ALLOYS APPARATUS (2 POSITIONS)
Power   1900W
Weight   35 kg
Dimensions   35x43x118 cm
Shipping weight    
Dimensions with crate    

 

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