RO85487B - Method and apparatus for measuring enamel adherence - Google Patents

Method and apparatus for measuring enamel adherence

Info

Publication number
RO85487B
RO85487B RO109421A RO10942182A RO85487B RO 85487 B RO85487 B RO 85487B RO 109421 A RO109421 A RO 109421A RO 10942182 A RO10942182 A RO 10942182A RO 85487 B RO85487 B RO 85487B
Authority
RO
Romania
Prior art keywords
needles
common
measuring
electrical contacts
those
Prior art date
Application number
RO109421A
Other languages
Romanian (ro)
Other versions
RO85487A (en
Inventor
Michael Hertel
Friedrich Faber
Hartmut Tilp
Original Assignee
Veb Schwerter Emaillierwerke Lauter
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 Veb Schwerter Emaillierwerke Lauter filed Critical Veb Schwerter Emaillierwerke Lauter
Publication of RO85487A publication Critical patent/RO85487A/en
Publication of RO85487B publication Critical patent/RO85487B/en

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  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

Inventia se refera la o metoda si un aparat pentru masurarea aderentei emailului pe tabla. Metoda conform inventiei consta în explorarea contactelor electrice stabilite pe o suprafata de proba, modificata, de un numar de ace. toate acele apasînd pe întreaga suprafata de proba cu o presiune constanta, de preferinta de 0,3...0,6 N, iar deformarea mecanica, de preferinta a suprafetei testate realizîndu-se printr-un procedeu de ambutisare adînca, cu o forta de încastrare definita, cu o viteza de ambutisare constanta si un traseu de ambustisare dat. Aparatul este constituit dintr-un dispozitiv de masurat prevazut cu ace, un dispozitiv de numarare pentru înregistrarea numarului contactelor electrice stabilite si o legatura electrica dintre ace si dispozitivul de numarare acele fiind dispuse într-un suport comun de genul unei penite pentru ace, paralele între ele un unghi si fiind egal distantate între ele, iar acele cu aceasi lungime fiind dispuse într-un hexagon centrat în jurul punctului central comun al suportului punctul central al suaportului comun fiind lipit de ace.The invention relates to a method and apparatus for measuring the adhesion of the email on the board. The method according to the invention consists in exploring the electrical contacts established on a sample surface, modified by a number of needles. all the presses pressing on the whole sample surface with a constant pressure, preferably of 0.3 ... 0.6 N, and the mechanical deformation, preferably of the test surface being realized by a deep drawing process with a force defined embedding with a constant drawing speed and a given trajectory. The apparatus comprises a measuring device provided with needles, a counting device for recording the number of electrical contacts established, and an electrical connection between the needles and the counting device, those being arranged in a common support such as a needle pen, parallel to each other being angled and equally spaced apart, and those of the same length being disposed in a hexagon centered around the common center point of the support, the central point of the common saport being attached to the needles.

RO109421A 1981-12-31 1982-12-21 Method and apparatus for measuring enamel adherence RO85487B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD23649481 1981-12-31

Publications (2)

Publication Number Publication Date
RO85487A RO85487A (en) 1984-11-25
RO85487B true RO85487B (en) 1984-11-30

Family

ID=5536034

Family Applications (1)

Application Number Title Priority Date Filing Date
RO109421A RO85487B (en) 1981-12-31 1982-12-21 Method and apparatus for measuring enamel adherence

Country Status (1)

Country Link
RO (1) RO85487B (en)

Also Published As

Publication number Publication date
RO85487A (en) 1984-11-25

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