copper crushers gauze for pressure measurement

Experimental techniques for ballistic pressure measurements and ...

The piezoelectric transducers and the copper crusher gauge can be installed in the same mounting position in .... standard deviation of the peak pressure for the piezoelectric Kistler type 6215 and the copper crusher .... Both piston and crusher were modeled using a Lagrangian mesh and implementing the previously.

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Nonlinear Material Behavior Analysis under High Compression ...

Jul 4, 2017 ... Gun chamber pressure is an important parameter in proofing of ammunition to ensure safety and reliability. It can be measured using copper crushers or piezoelectric sensor. Pressure calculations in copper crusher method are based on linear plastic deformation of copper after firing. However, crusher...

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Ballistic Pressure Sensors Reference Guide - PCB Piezotronics

TYPES OF BALLISTIC PRESSURE MEASUREMENTS. COPPER CRUSHER. The copper crusher is a mechanical procedure in which a test barrel is modified to contain a small piston installed over a drilled cartridge case. Figure 3 on page 4 shows a cross-section of a typical copper crusher installed onto a pressure barrel.

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Rimfire Firing-Pin Indent Copper Crusher (part 1) | 2017-02-03 ...

Feb 3, 2017 ... The use of the copper crusher for pressure measurement is rapidly giving way to the quartz crystal piezoelectric pressure-measurement system, which is less time-consuming and more precise than the copper-crusher system. The copper crusher is still employed by ammunition manufacturers, typically in...

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Weapon Chamber Pressure Measurement

CHAMBER PRESSURE INSTRUMENTATION. Peak chamber pressure can be measured mechanically with "crusher gages" or electrically with electrical pressure transducers. Although this paper does not address mechanical measurement, M-ll copper crusher gages were used in conjunction with electrical transducers in...

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The ball copper with Mark 8 crusher gauge combinationl is a simple ...

A series of Closed Vessel firings are carried outat different pressure levels in the range of 0 to 1800 kg/cm.2 covering the com.plete pressure range of ball copper and MarkS crusher gauge com.bination. The pressures are sim.ultaneously m.easured by a piezo (tourm.aline) gauge and the ball copper presSures are...

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Experiments on copper crusher cylinders. - Nvlpubs.nist.gov…

C softens the compressed coppersomewhat. CONTENTS. Page. I. Introduction. 4. 1. Two methods for measurement of pressure of gases in testing of powder and ammunition. 4. 2. Copper crusher cylinders. 6. 3. Preparing data for tarage table. 6. 4. Comparison of pressuresindicated by dynamic and crusher-gage methods.

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