MD231Y - Method for identifying the structure of the binding phase of pseudoalloys based on tungsten - Google Patents

Method for identifying the structure of the binding phase of pseudoalloys based on tungsten Download PDF

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Publication number
MD231Y
MD231Y MDS20090104A MDS20090104A MD231Y MD 231 Y MD231 Y MD 231Y MD S20090104 A MDS20090104 A MD S20090104A MD S20090104 A MDS20090104 A MD S20090104A MD 231 Y MD231 Y MD 231Y
Authority
MD
Moldova
Prior art keywords
pseudoalloys
identifying
tungsten
binding phase
wolfram
Prior art date
Application number
MDS20090104A
Other languages
Romanian (ro)
Inventor
Vladimir Parsutin
Alexandr COVALI
Original Assignee
Institutul De Fizica Aplicata Al Academiei De Stiinte A Moldovei
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institutul De Fizica Aplicata Al Academiei De Stiinte A Moldovei filed Critical Institutul De Fizica Aplicata Al Academiei De Stiinte A Moldovei
Priority to MDS20090104A priority Critical patent/MD231Z/en
Publication of MD231Y publication Critical patent/MD231Y/en
Publication of MD231Z publication Critical patent/MD231Z/en

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  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Investigating And Analyzing Materials By Characteristic Methods (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

Inventia se refera la pseudoaliaje, in particular la un procedeu de identificare a structurii fazei liante a pseudoaliajelor pe baza de wolfram. Procedeul, conform inventiei, include corodarea anodica a fazei wolframice a pseudoaliajelor intr-un curent de electrolit ce contine NaOH cu concentratia de 50…150 g/L, timp de 0,5…1,0 min, la un spatiu dintre anod si catod de 0,1…0,2 mm, o densitate a curentului electric de 20…30 A/cm2, o temperatura a electrolitului de 20±2°C si examinarea ulterioara a suprafetei tratate cu un dispozitiv optic.The invention relates to pseudoalloys, in particular to a process for identifying the structure of the bonding phase of the wolfram based pseudoalloys. The process, according to the invention, includes the anodic corrosion of the wolfram phase of the pseudoalloys in an electrolyte stream containing NaOH with a concentration of 50 ... 150 g / L, for 0.5 ... 1.0 min, at a gap between anode and cathode. 0.1 ... 0.2 mm, a current density of 20 ... 30 A / cm2, an electrolyte temperature of 20 ± 2 ° C and subsequent examination of the surface treated with an optical device.

MDS20090104A 2009-06-04 2009-06-04 Method for identifying the structure of the binding phase of pseudoalloys based on tungsten MD231Z (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDS20090104A MD231Z (en) 2009-06-04 2009-06-04 Method for identifying the structure of the binding phase of pseudoalloys based on tungsten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDS20090104A MD231Z (en) 2009-06-04 2009-06-04 Method for identifying the structure of the binding phase of pseudoalloys based on tungsten

Publications (2)

Publication Number Publication Date
MD231Y true MD231Y (en) 2010-06-30
MD231Z MD231Z (en) 2011-01-31

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MDS20090104A MD231Z (en) 2009-06-04 2009-06-04 Method for identifying the structure of the binding phase of pseudoalloys based on tungsten

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD416Z (en) * 2011-01-18 2012-04-30 Институт Прикладной Физики Академии Наук Молдовы Method for electrochemical activation of the surface of the tungsten-containing hard alloys for soldering (variants)

Family Cites Families (21)

* Cited by examiner, † Cited by third party
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RO106770B1 (en) * 1989-06-28 1993-06-30 Inst Cercetari Stiintifice PSEUDOALLOYS ON THE CuFe OR CuZnFe BASIS WITH SUPERIOR ANTIFRICTION PROPERTIES AND HIGH SPECIFIC LOADINGS CHARGINGS
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UA8488U (en) * 2004-12-16 2005-08-15 Academician V Lazarian Dniprop A method for the electrolytic precipitation of amorphous cobalt-tungsten alloys
JP2006236181A (en) * 2005-02-28 2006-09-07 Fuji Photo Film Co Ltd Image identification device and method therefor, and image identification program
MD3288C2 (en) * 2005-06-03 2007-11-30 Институт Прикладной Физики Академии Наук Молдовы Electrolyte for dimensional electrochemical working of hard tungsten-cobalt alloys
MD3316C2 (en) * 2005-12-06 2007-12-31 Институт Прикладной Физики Академии Наук Молдовы Electrolyte for electrochemical pickling of tungsten
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  • 2009

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MD231Z (en) 2011-01-31

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KA4Y Short-term patent lapsed due to non-payment of fees (with right of restoration)