.... 0094-9930 , 125 ( 3 ), pp. 315 – 320 . 10.1115/1.1593069 16 01 2009 24 04 2010 13 10 2010 13 10 2010 ballistics finite element analysis heat transfer weapons wear cook-off gun barrel wear finite element method temperature history During firing...

... for overstraining gun tubes: hydrostatic autofrettage or swage autofrettage ( 1 ). Bauschinger effect compressive strength fatigue finite difference methods internal stresses iterative methods pipes weapons wear 26 09 2006 24 04 2007 02 10 2008 Kendall , D. P...

... of a 155 mm gun barrel 18 04 2006 09 01 2007 12 06 2008 backpropagation Bayes methods function approximation heat conduction Hopfield neural nets mechanical engineering computing temperature distribution thermomechanical treatment weapons wear neural...

... to ambient temperature through convection and radiation. This clearly imposes a serious limitation on the weapon’s availability for action. Using mid-wall barrel cooling technology and a twin radiator heat exchanger pumping coolant at 16 lpm , a typical large caliber artillery gun barrel has been...

... weapons thermomechanical treatment thermal stress cracking thermal expansion internal stresses combustion chromium tantalum fracture toughness steel silicon compounds coatings wear The nature of firing damage in army cannons has been changing in recent years. The steady material loss...

.... It was demonstrated that the effect of the cooling channels on the stresses in the tube is significant and substantially weakens the inner tube. However, it is still possible to produce a workable design. 23 12 2005 09 01 2006 wear pipes weapons stress analysis finite element analysis tolerance...

...Andrew Littlefield; Edward Hyland; Andrew Andalora; Nathaniel Klein; Robert Langone; Robert Becker The emphasis on lightweight large-caliber weapons systems has placed the focus on the use of advanced composite materials. Using composite materials not only directly removes weight from the gun tube...

...Tony D. Andrews; Fred E. Brine This paper describes a range of hydraulic fatigue and pressure tests carried out on gun barrels and ordnance components in support of weapons research and development programs. Cyclic testing of representative sections of large caliber guns has been routinely carried...

... Laboratory Technical Report No. AFATL-TR-73-10, Eglin Air Force Base, FL. Fischman , S. , and Palmer , C. , 1975 , “ The Design and Fabrication of a Ceramic-Lined Gun Barrel Insert ,” Naval Surface Weapons Center/Dahlgren Laboratory Technical Report No. TR-3342, Dahlgren, VA. D’Andrea...

... Interlayers ,” Diamond Relat. Mater. 0925-9635 10.1016/S0925-9635(96)00671-1 , 6 ( 5–7 ), pp. 796 – 801 . sputtered coatings electroplating chromium wear tantalum microhardness adhesion thermal stability weapons oxidation The development of more aggressive propellant formulations...

... are met in the work reported herein as part of the initial development and validation of a finite element (FE) procedure. work hardening wear Bauschinger effect weapons fatigue tensile strength compressive strength finite element analysis pressure vessels 05 12 2005 19 12...

... 2 ( 1 − ν 2 ) , c 2 = κ G ρ R 2 , β = s I 07 12 2005 16 12 2005 brakes pipes projectiles weapons A gun barrel for a modern tank gun is not only highly strained in the chamber area due to the high gas pressure, which...

... of the gases and the thermo-mechanical stresses resulting from thermal flash. The application presented concerns the 120 mm gun barrel. crack-edge stress field analysis microcracks internal stresses thermomechanical treatment thermal stresses wear weapons plasticity surface cracks 06...

... cavitation superplasticity X-ray diffraction thermomechanical treatment weapons internal stresses 12 March 2003 23 April 2003 01 08 2003 Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY . Manuscript received...

... ring. weapons seals (stoppers) pressure vessels fatigue cracks crack-edge stress field analysis 14 March 2003 06 May 2003 01 08 2003 Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY . Manuscript...

... a residual stress field in the barrel wall, a process known as autofrettage. weapons elastoplasticity internal stresses stress-strain relations fatigue testing wear work hardening optimisation Bauschinger effect finite difference methods 12 March 2003 06 May 2003 01 08...

... at or near the commencement of rifling. From these measurements it was possible to assess the improvements in gun barrel erosion, the number of rounds to cook-off, and the barrel’s fatigue life. weapons heat transfer wear fatigue ignition fluctuations 12 March 2003 23 April 2003...

... 6, 2003. Associate Editor: M. Perl. 30 April 2003 06 May 2003 01 08 2003 weapons critical phenomena fracture toughness elastoplasticity Bauschinger effect tensile strength thermal barrier coatings fatigue cracks steel An interesting variety of fracture...

... VESSEL TECHNOLOGY . Manuscript received by the PVP Division May 12, 2003; revision received May 12, 2003. Associate Editor: M. Perl. 12 May 2003 12 May 2003 01 08 2003 steel chromium weapons thermal barrier coatings combustion explosion protection thermomechanical...

... of yield achieved, assuming different material characteristics. weapons internal stresses stress-strain relations yield stress machining finite element analysis yield strength Bauschinger effect wear elastoplasticity optimisation Gun tubes are autofrettaged to produce...