ENVIRONMENTAL TESTING OVERVIEWENVIRONMENTAL TESTING OVERVIEWQUALIFICATION TESTS MIL-STD-810 FQUALIFICATION TESTS MIL-STD-810 F

PRODUCTION SCREENINGPRODUCTION SCREENING

HIGH ACCELERATED TESTS (HALT & HASS)HIGH ACCELERATED TESTS (HALT & HASS)

ENVIRONMENTAL STRESSESENVIRONMENTAL STRESSES

SCREENING STRENGHTSCREENING STRENGHT

ACCELERATION FACTORSACCELERATION FACTORS

ACCELERATED TEST MACHINESACCELERATED TEST MACHINES

ACCELERATED TEST ADVANTAGESACCELERATED TEST ADVANTAGES

CONTENTSCONTENTS

Trondheim, Februar, 2003Trondheim, Februar, 2003

ENVIRONMENTAL TESTING ENVIRONMENTAL TESTING APPLICATIONSAPPLICATIONS

QUALIFICATION TESTS

ENVIRONMENTAL STRESS SCREENING

(ESS)

HIGH ACCELERATED

TEST (LIFE OR ESS)

1 - QUALIFICATION TEST1 - QUALIFICATION TEST

THIS IS THE MOST COMMON/KNOWN TEST WHICH :THIS IS THE MOST COMMON/KNOWN TEST WHICH :

VERIFY THE VERIFY THE COMPLIANCECOMPLIANCE WITH THE WITH THE ENVIRONMENTAL REQUIREMENTS FOR THE PRODUCT,ENVIRONMENTAL REQUIREMENTS FOR THE PRODUCT,

ALLOWS TO SUPPLY ALLOWS TO SUPPLY QUALITYQUALITY PRODUCTS ABLE TO PRODUCTS ABLE TO PERFORM WITHIN THE SPECIFIED OPERATING PERFORM WITHIN THE SPECIFIED OPERATING ENVIRONMENTENVIRONMENT

NOTE : NOTE : THIS IS THE WRONG PLACE FOR SURPRISES, THIS IS THE WRONG PLACE FOR SURPRISES,

ENVIRONMENTAL DESIGN MISTAKES WILL BE VERY ENVIRONMENTAL DESIGN MISTAKES WILL BE VERY

EXPENSIVEEXPENSIVE!!

STANDARD TOOLS FOR QUALIFICATION TESTSSTANDARD TOOLS FOR QUALIFICATION TESTS

CONTENTSCONTENTS

PART TWOPART TWO : LABORATORY TEST METHODS : LABORATORY TEST METHODS

500500 Low Pressure (Altitude)Low Pressure (Altitude)501501 High TemperatureHigh Temperature502502 Low TemperatureLow Temperature503503 Temperature ShockTemperature Shock504504 Contamination by FluidsContamination by Fluids505505 Solar Radiation (Sunshine) Solar Radiation (Sunshine) 506506 RainRain507507 HumidityHumidity508508 FungusFungus509509 Salt FogSalt Fog510510 Sand and DustSand and Dust511511 Explosive AtmosphereExplosive Atmosphere512512 ImmersionImmersion513513 AccelerationAcceleration514514 VibrationVibration515515 Acoustic NoiseAcoustic Noise516516 ShockShock517517 PyroshockPyroshock518518 Acidic AtmosphereAcidic Atmosphere519519 GunfireGunfire520520 Temperature, Humidity, Vibration, AltitudeTemperature, Humidity, Vibration, Altitude521521 Icing/Freezing RainIcing/Freezing Rain522522 Ballistic ShockBallistic Shock

THIS IS A SCREENING DURING THE PRODUCTION THIS IS A SCREENING DURING THE PRODUCTION PROCESS WHICH : PROCESS WHICH :

ACCELERATE THE TEST OBJECT LIFEACCELERATE THE TEST OBJECT LIFE

IN ORDER TOIN ORDER TO

DETECT “INFANT MORTALITY” AND DETECT “INFANT MORTALITY” AND LATENT FAILURES OF THE TEST OBJECT LATENT FAILURES OF THE TEST OBJECT LIFELIFE

2 - ESS2 - ESS

ESS TARGETSESS TARGETS TO MEET TO MEET RELIABILITY REQUIREMENTSRELIABILITY REQUIREMENTS FOR FOR

CRITICAL SYSTEMS IN TRASPORTATION, CRITICAL SYSTEMS IN TRASPORTATION, TELECOMUNICATION, MILITARY . . . TELECOMUNICATION, MILITARY . . .

TO TO DECREASEDECREASE THE WARRANTY THE WARRANTY COSTCOST AND AND SOMETIMES THE TOTAL PRODUCTION COSTSSOMETIMES THE TOTAL PRODUCTION COSTS

TO IMPROVE THE TO IMPROVE THE SUPPLIER IMAGESUPPLIER IMAGE THROUGH THROUGH IMPROVED MTBF AND LIFE CYCLE COST OF IMPROVED MTBF AND LIFE CYCLE COST OF THE PRODUCTTHE PRODUCT

TO VERIFY THAT THE TO VERIFY THAT THE PRODUCTPRODUCT CAN RELIABLY CAN RELIABLY PERFORM IN THE SPECIFIED ENVIRONMENTPERFORM IN THE SPECIFIED ENVIRONMENT

ESS TECHNIQUESESS TECHNIQUES

THIS IS ONLY A SURVEY ! (EUROPEAN)

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10

20

30

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Ther

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sho

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Vib

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Low

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Sw

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Vib

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Com

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Hum

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Relative weight

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Industrie S.p.A.

ESS TOOLSESS TOOLS

“FAST” CHAMBER COMBINED WITH SHAKER

Main CharacteristicsMain Characteristics

External dimension 1400x1780x1950 mmExternal dimension 1400x1780x1950 mm

Internal DimensionInternal Dimension 580x510x420 mm 580x510x420 mm

Maximum LoadMaximum Load 30 Kg 30 Kg

Temperature RangeTemperature Range -80°C / +220°C -80°C / +220°C

Temperature Accuracy Temperature Accuracy 0.5°C0.5°C

Heating Temperature Rate 40°C/minHeating Temperature Rate 40°C/min

from -55°C to +125°Cfrom -55°C to +125°C

Cooling Temperature Rate 28°C/minCooling Temperature Rate 28°C/min

from +125°C to -55°Cfrom +125°C to -55°C

Recovery time Recovery time 15min 15min

(-55°C / +125°C) with 6 Kg (-55°C / +125°C) with 6 Kg

Max electrical powerMax electrical power 17Kw 17Kw

CST 130 SCST 130 S

3 - HIGH ACCELERATED LIFE3 - HIGH ACCELERATED LIFE

THIS IS A HIGH ENVIRONMENTAL THIS IS A HIGH ENVIRONMENTAL

AND FUNCTIONAL STRESS APPLIED AND FUNCTIONAL STRESS APPLIED

TO A TEST OBJECT TO PRODUCE A TO A TEST OBJECT TO PRODUCE A

“HIGH ACCELERATION” OF THE “HIGH ACCELERATION” OF THE

LIFELIFE

SCREENING STRENGTHSCREENING STRENGTH

TEMPERATURE CYCLINGTEMPERATURE CYCLING

5°C/min5°C/min

cyclescycles

screeningscreeningstrengthstrength

10°C/min10°C/min15°C/min15°C/min

20°C/min20°C/min

0.10.1

0.30.3

0.20.2

0.40.4

0.50.5

0.70.7

0.60.6

0.80.8

1010 404030302020 5050

Industrie S.p.A.

RELIABILITYRELIABILITY

HALT 2-6 UNITS

ESS 100-200 UNITS

QUALQUAL 1- 20 UNITS1- 20 UNITS

timetime

reliabilityreliability

TYPICAL CHARACTERISTICS FOR TYPICAL CHARACTERISTICS FOR HIGH ENVIRONMENTAL STRESS HIGH ENVIRONMENTAL STRESS

CHAMBERCHAMBER VOLUMEVOLUME ~ 1M ~ 1M33

COOLINGCOOLING ~ MECHANICAL AND/OR LN2 ~ MECHANICAL AND/OR LN2

TEMP. RANGETEMP. RANGE ~ -60°C TO 100°C ~ -60°C TO 100°C

TEMP. RATETEMP. RATE ~ 5 TO 30°C/MIN ~ 5 TO 30°C/MIN

AIR FLOWAIR FLOW ~ 2 TO 5M/SEC ~ 2 TO 5M/SEC

POWERPOWER ~ 40 TO 200 KW ~ 40 TO 200 KW

INTERFACEINTERFACE ~ SHAKER ~ SHAKER

PRICEPRICE ~ 40K TO 250K USD ~ 40K TO 250K USD

TEMPERATURE-HUMIDITY-TEMPERATURE-HUMIDITY-VIBRATION-VACUUMVIBRATION-VACUUM

HALT CHAMBER FOR AERONAUTICAL HALT CHAMBER FOR AERONAUTICAL APPLICATIONSAPPLICATIONS

HALT CHAMBER WITH HORIZONTAL & VERTICAL HALT CHAMBER WITH HORIZONTAL & VERTICAL VIBRATIONSVIBRATIONS

BASICS OF ACCELERATIONBASICS OF ACCELERATION

BASIC PHILOSOFY IS :

RAPIDLY CYCLING BETWEEN EXTREME RAPIDLY CYCLING BETWEEN EXTREME

ENVIRONMENTAL CONDITIONSENVIRONMENTAL CONDITIONS

ACCELERATION CAN BE APPLIED ALSO TO ACCELERATION CAN BE APPLIED ALSO TO CORROSION TESTSCORROSION TESTS

ACCELERATING CORROSIONACCELERATING CORROSION

THE “THE “DRY CORROSION TESTDRY CORROSION TEST” :” : APPLY THE ACCELERATION BASIC APPLY THE ACCELERATION BASIC

CONCEPTS, CONCEPTS, MATCHES THE REAL LIFE EVENTSMATCHES THE REAL LIFE EVENTS

GOOD WEATHER RAINWINDY DAY NIGHT DEW

DRY WET & SALTYWET & SALTY

TESTING TOOLTESTING TOOL

ELECTRICAL& CONTROLSYSTEM

TEST CHAMBER

PNEUMATIC& HYDRAULICSYSTEMS

ANTI-DRIPPINGCOVER

MODULARCONFIGURATION