RAM-10000 System

                                                                                           
   Resonance Technique and Apparatus for Elastic-Wave Velocity Determination
     
in Thin Metal Plates     
- G.L.Petersen, C.M.Fortunko, B.B.Chick -
                                                                                                  
  
Ultrasonic Resonance Method with EMAT for Stress Measurement in Thin Plates
     
- H.Fukuoka, M.Hirao, T.Yamasaki, H Ogi -
                                                                                                  
  
Absorption of Ultrasonic Waves in Air at High Frequencies(10-20 MHz)
     
- L.J.Bond, C.H.Chiang, C.M.Fortunko -
                                                                                                  
  
A Hemisperical Test Fixture for Measuring the Wavefields Generated in an Anisotropic Solid
     
- D.W.Fitting, C.M.Fortunko -
                                                                                                  
   Adaptive Imaging in Homogeneous Media
     
- D.W.Fitting, S.J.Norton, C.M.Fortunko -  
                                                                                                


   Ultrasound Data Acquisition System Design for Collecting High Quality RF Data From Beef
      Carcases
in the Slaughterhouse Environment    
- I.A.Hein, J.A.Novakofski, W.D.O'Brien Jr. -
                                                                                                  
  
Absolute Measurements of Elastic-Wave Phase and Group Velocities in Lossy Materials
    
- C.M.Fortunko, G.L.Petersen, M.C.Renken, & A.L.Preis -
                                                                                                  
   Spectroscopy of Resonant Torsional Modes in Cylindrical Rods
Using
      Electromagnetic-Acoustic Transduction    
- W.Johnson, B.A.Auld, G.A.Alers -
                                                                                                  
   A New Pulsed Nuclear Quadrupole Resonance Spectrometer
    
- G.L.Petersen, P.J.Bray, R.A Marino -
                                                                                                  
   Resonance EMAT System for Acoustoelastic
Stress Measurement in Sheet Metals
    
- M.Hirao, H.Ogi, H.Fukuoka -  
                                                                                                

   Determination of Sheet Formability Using Wide Band Electromagnetic-Acoustic Transducers
     
- A.V.Clark, C.M.Fortunko, M.G.Lozev,S.R.Schaps and M.C Renken -
                                                                                                  

   Polymer Film Characterization Using Quarts Resonators    
- Stephen J.Martin and Gregory C.Frye -
  
Nondestructive Testing of 'Thick' Aerospace Honeycomb Structures Using
      Through-Transmitted Ultrasonic Guided Waves     
- C.M.Fortunko, J.O Strycek and W.A Grandia -
                                                                                                  
  
Advanced Ultrasonic Method for Measuring Rail Axial Stresses with Electromagnetic Acoustic
      Transducer     
- M.Hirao, H.Ogi and H,Fukuoka -

  
Interferometric Measurement of Ultrasonic Velocities with 
      Long Line-Focusing P(VDF-TrFE)Transducer:V(f) Curves     
- M.Hirao and K.Yokota - 
                                                                                                

   Characterization of Composite Prepreg with Gas-Coupled Ultrasonics
     
- D.E.Chimenti and C.M.Fortunko -
                                                                                                  
   
Low Frequency NQR Matching Network      - Gary L. Petersen -
                                                                                                  
  
Absolute Measurement of Ultrasonic Attenuation by Electromagnetic Acoustic Resonance
     
- H.Ogi, M.Hirao, T.Honda, H.Fukuoka - 
                                                                                        

    Development of Magnetostrictive type EMAT for Measurement of
Plastic Anisotropy
     
- E.Chan Hwang, BongYoung Ahn, S.S.Lee K.Y.Chang -
                                                                                          
   Measurement of r values in cold rolled steel sheets with EMATs
      
- Sang Young, Kim, Soo Kwang-Kim & others -   
                                                                                               

   Development of an on-line evaluation system of formability in cold-rolled steel sheets using
      electromagnetic acoustic transducers(EMAT)
     
- Riichi Murayama, Kazuo Fujisawa, Hidekazu Fukuoka and Masahico Hirao -
                                                                                                  
   
Fatigue Load Monitoring in Steel Bridges with Rayleigh waves
    
- A.V Clark, P. Fuchs and S.R. Schaps -
                                                                                                  
  
Electromagnetic Acoustic resonance and Materials Characterization     - Masahiko Hirao -
                                                                                                  
  
Ultrasonic attenuation and grain-size evaluation using electromagnetic acoustic resonance
    
- Hirotsugu Ogi, Masahiko Hirao and Takashi Honda -
                                                                                                  
   
Small Fatigue Crack Behavoir in 7075-T651 Aluminium as Monitored with 
      Rayleigh
Wave Reflection    
- M.Hirao, K.Tojo and H Fukuoka - 
                                                                                               

   Ultrasonic Resonance of Metallic Spheres at Elevated Temperatures     - W.Johnson/NIST -
                                                                                        
   Ultrasonic damping in pure aluminium at Elevated Temperatures    
- W.Johnson/NIST -
                                                                                                  
   EMAT ̿ ÿ Ҽ̹漺      - Ȳ : Ѿб /

                                                         
Non-Linear Acoustics (* Ritec ϳ ٸ ԵǾ .)
                                                                                           
   Non Linear NDE Using Contact Acoustic Nonlinearity
    
- Department of Physics,Moscow State university -
                                                                                                  
   
Structure and nonlinear acoustic properties of ceramic YBa2Cu3Ox
    
- O.Yu. Serdobol'skaya, S.P.Tokmakova and L.A Chernozatonskil -
                                                                                                  
   
Effect of annealing conditions on the linear and non linear acoustic properties of ceramic
      YBa2Cu3Ox     
- O.Yu. Serdobol'skaya, S.P.Tokmakova, V.P shabatin and L.A Chernozatonskil -
                                                                                                  
   
Influence of microcracks on linear and nonlinear acoustic properties of a bismuth-based 
      high temperature superconducting ceramic
    
- I.E.Dekalo, V.V.Palachev, O.Yu Serdobol'skaya, S.P.Tokmakova, I.A.Chaban and V.P.Shabatin -
                                                                                                  
   
Nonlinear elasticity of HTSC ceramic YBaCuO     - Olga Serdoboiskaya, Svetlana Tokmakova -
                                                                                                  

    Effects of Nonlinear interaction on measurements of frequency-dependant 
      attenuation coefficients    
- Olga Serdoboiskaya, Svetlana Tokmakova -
                                                                                                  
   
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   Evaluation of Material Degradation Using Nonlinear Acoustic Effect
    
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Nonlinear Acoustic Assessment Of Precipitation-Induced Coherency Strains
     In Aluminum Alloy 2024
    
- John H. Cantrell & William T. Yost / NASA Langley Research Center -  
                                                                                                 
  
Linear And Nonlinear Ultrasonic Properties Of Fatigued 410Cb Stainless Steel
    
- Jeong K. Na / College of William and Mary -
      -
John H. Cantrell & William T. Yost / NASA Langley Research Center
 
                                                                                                  


    Dislocation Contribution to the Second Harmonic Generation of Ultrasonic Waves   
    
- Akira Hikata, Bruce B. Chick, and Charles Elbaum / Brown University, Providence, Rhode Island -
 

                                                         
Non Ritec Papers (* Ritec ϳ ٸ )

                                                                                           
   Testing Steel Blooms at High Temperatures Using an EMAT Technique
    
- R.Cornish and C.Baharis (BHP research) -
                                                                                                  
   
An Ultrasonic Method for Reconstructing the Two-Dimensiona; 
      Liquid-Solid Interface
in Solidifying Bodies
    
- F.A.Mauer, S.J Norton, Y.Grinberg, D.Pitchure and H.N.G Wadley - 

 

                                                         
Pulsed NQR

                                                                                           
    NaNO2
14N ٻ߱     
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    77K
¿ CO(NH2)2 14N Pulsed NQR
    
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    14N Pulsed NQR
of CO(NH2)2 at 77K and room temperature
    
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    V2O2-B2O3-PbO

    
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    14N NQR
Investigations of the Mixed Complex SystemsNaNO21-xANO3z : A=K, Na
    
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    ȥհ [NaNO2]1-X[ANO3]X  (A = K, Na) 14N ٻ߱ 23Na ڱ
    
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