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e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
USE OF ULTRASONIC ANALYSIS FOR THE USE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD QUALITY CONTROL OF GOLD STANDARD
LARGE BARSLARGE BARS
e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
M. Genel, D. Manara, B. Badiello, A. Pozzi, A. Tessier M. Genel, D. Manara, B. Badiello, A. Pozzi, A. Tessier -- Laboratory of Assay and Analysis PAMPLaboratory of Assay and Analysis PAMPPresented byPresented by M. GenelM. Genel
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USE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARSUSE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARS
“What you can see and that can be seen it is only shape “What you can see and that can be seen it is only shape
and colour, what you can ear and that can be heard it is only name and and colour, what you can ear and that can be heard it is only name and
sound. But how can mankind believe that shape and colour, name and sound. But how can mankind believe that shape and colour, name and
“What you can see and that can be seen it is only shape “What you can see and that can be seen it is only shape
and colour, what you can ear and that can be heard it is only name and and colour, what you can ear and that can be heard it is only name and
sound. But how can mankind believe that shape and colour, name and sound. But how can mankind believe that shape and colour, name and
Chuang TzuChuang Tzu ((370 370 -- 318 a C.318 a C.))Chinese philosopherChinese philosopher
Chuang TzuChuang Tzu ((370 370 -- 318 a C.318 a C.))Chinese philosopherChinese philosopher
pp
sound can be enough to understand the object !…”sound can be enough to understand the object !…”
pp
sound can be enough to understand the object !…”sound can be enough to understand the object !…”
e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
Introduction - Reference FrameReference Frame
International norm
USE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARSUSE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARS
ASTM E1816-07 Standard practice for Ultrasonic Testing Using Electromagnetic Acoustic Transducer
ASTM E797 Practice for measuring thickness by manual ultrasonic pulse-echo contact method
UNI EN 14127:2004 Non destructive check- Thickness measurement with ultrasonic probe
e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
probe
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Objective and formal quality control system of our productObjective and formal quality control system of our product
USE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARSUSE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARSIntroduction – RequirementRequirement
e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
Materials and MethodsTheory: Ultrasound
APPLICATIONAPPLICATION
USE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARSUSE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARS
SUBSONIC SUBSONIC RANGERANGE
SUBSONIC SUBSONIC RANGERANGE
AUDIBLE RANGEAUDIBLE RANGEAUDIBLE RANGEAUDIBLE RANGE ULTRASONIC RANGEULTRASONIC RANGEULTRASONIC RANGEULTRASONIC RANGE
e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
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Materials and MethodsTransducers
USE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARSUSE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARS
e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
Krautkramer USM 35XUniversal Ultrasonic Flaw Detector
Sound velocity
Materials and MethodsInstrumentation
USE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARSUSE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARS
Sound velocity1,000 to 15,000 m/s,Display delayFrom -10 to 1,000 mm (340 μs)Probe delay0 to 200 μsAuto calibration2 point calibrationPulse intensity220 pF, 1 nFDamping50 ohms, 500 ohmsPulse repetition frequency4 to 1,000 Hz, variable in 10 stepsFrequency ranges (-3 dB)0.2 to 1 MHz 0.5 to 4 MHz 0 8 8 MH
e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
0.8 to 8 MHz 2 to 20 MHzGain0 to 110 DbFine gain4 dB, continuously variable in 40 stepsRectificationFull-wave, negative and positive half-wave, RF modeRejectLinear, 0 to 80 % screen height Variable in steps of 1 %
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Results – Layering USE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARSUSE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARS
e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
Results – Gas bubbles USE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARSUSE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARS
DISSIPATION OF SIGNALDISSIPATION OF SIGNALDISSIPATION OF SIGNALDISSIPATION OF SIGNAL
e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
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Results – Inclusions USE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARSUSE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARS
REFLECTION OF SIGNALREFLECTION OF SIGNAL
e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
TOOL TOOL DROPPED DROPPED DURING DURING CASTINGCASTING
Results- Counterfeit USE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARSUSE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARS
e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
Good Standard BarGood Standard Bar “Metal inside Bar”…“Metal inside Bar”… Different Metal BarDifferent Metal Bar
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Remarks
Control asked from marketControl asked from market
USE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARSUSE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARS
Continuous quality improvement (ISO 9001)Continuous quality improvement (ISO 9001)
Not equivalent check but support routine checkNot equivalent check but support routine check
Not definitive check : if bar has not expected ultrasonic profile, but it comply to Not definitive check : if bar has not expected ultrasonic profile, but it comply to routine check, it is remelted or/and it is assigned to other use.routine check, it is remelted or/and it is assigned to other use.
e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
Conclusion
• Rapid method (we check all bars produced)Rapid method (we check all bars produced)
USE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARSUSE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARS
Rapid method (we check all bars produced)Rapid method (we check all bars produced)
•• Non destructive methodNon destructive method
•• Quality check of melting and castingQuality check of melting and casting
•• Market standard controls fittingMarket standard controls fitting
e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
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Thank you for your attention
e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
For any further questions please [email protected]
Bibliography
Industrial Applications of Ultrasound -A Review II. Measurements, Tests, and Process Control Using Low-Intensity Ultrasound-L. C. Lynwnworth - IEEE Transactions on sonics and ultrasonics, VOL. su-22, N. 2, March 1975
USE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARSUSE OF ULTRASONIC ANALYSIS FOR THE QUALITY CONTROL OF GOLD STANDARD LARGE BARS
, , ,
ASTM E1816-07. Standard practice for Ultrasonic Testing Using Electromagnetic Acoustic Transducer
ASTM E797. Practice for measuring thickness by manual ultrasonic pulse-echo contact method
e-mail: [email protected] – web: www.pamp.comPAMP: PowerPoint Presentation – 03.2009
UNI EN 14127:2004. Non destructive check- Thickness measurement with ultrasonic probe