Browsing by Author "Nevstad, Gunnar Ove"

Now showing items 41-60 of 61

    • PBXN-109 med RS-RDX : aldringsstudier II : prøver aldret ved 70 grader C i 21 uker 

      Nevstad, Gunnar Ove (2004)
      Questions have been asked about the stability of Reduced Sensitivity RDX (RS-RDX) with regard to reversion of shock sensitivity during the lifecycle of a PBX. To study if there are changes in product properties of PBXN-109 ...

    • PBXN-109 med RS-RDX aldringsstudier - I 

      Nevstad, Gunnar Ove (2004)
      Two crystal charges of RS- RDX (Reduced Sensitivity) quality has been used for production of PBXN-109 to characterize properties as shock sensitivity and critical diameter. Questions have been asked about the stability of ...

    • PBXN-110 studier 

      Nevstad, Gunnar Ove (2006)
      The PBXN-110 composition has been used to test the quality of HMX crystals. PBXN-110 is a cast cure PBX containing an inert binder system and HMX. A ratio of 3:7 between HMX class 2 and class 3 and a filler content ...

    • Properties of DM72 modular charges 

      Nevstad, Gunnar Ove (2000)

    • Scanning electron microscopy (SEM) bilder av ulike RDX kvaliteter 

      Nevstad, Gunnar Ove (2002)
      The quality of RDX crystals has strong influence on the sensitivity of explosive products containing the crystals. The shock sensitivity of PBXN-109 made from different batches of RDX has shown significantly different ...

    • Shock sensitivity testing of Octols 

      Nevstad, Gunnar Ove (2008)
      Octol 60/40 and 70/30 (HMX/TNT) have been tested with regard to shock sensitivity in Intermediate Scale GAP test. Both compositions were cast filled into the test tubes. An average density of 98.1% of TMD was obtained ...

    • Sympathetic reaction TEMPER simulations for 155 mm shell filled with MCX-6100 composition 

      Nevstad, Gunnar Ove (2015-10-22)
      IM classification of munitions requires testing according to STANAG 4439 (1). All tests have to be performed unless the Threat Hazard Analysis shows that specific threats in the STANAG do not occur in the life-cycle of ...

    • Syntese av HBIW : 2,4,6,8,10,12-heksabenzyl-2,4,6,8,10,12-heksaazaisowurtzitane 

      Nevstad, Gunnar Ove (2008)
      HBIW (2,4,6,8,10,12-heksabenzyl-2,4,6,8,10,12-heksaazaisowurtzitane) som inngår i syntesen av CL-20 (2,4,6,8,10,12-heksanitro-2,4,6,8,10,12-heksaazaisowurtzitane) har vært syntetisert ut fra benzylamin og glyoksal. Vi ...

    • Syntese av TADBIW : 2,6,8,10-tetraacetyl-4,10-dibenzyl-2,4,6,8,10,12-heksaazaisowurtzitane 

      Nevstad, Gunnar Ove (2008)
      TADBIW (2,6,8,12-tetraacetyl-4,10-dibenzyl-2,4,6,8,10,12-heksaazaisowurtzitane) har vært syntetisert ut fra HBIW (2,4,6,8,10,12-heksabenzyl-2,4,6,8,10,12-heksaazaisowurtzitane) ved hydrogenering i eddiksyreanhydrid ...

    • Syntese av TADFIW : 2,6,8,12-tetraacetyl-4,10-diformyl-2,4,6,8,10,12-heksaazaisowurtzitane 

      Nevstad, Gunnar Ove (2008)
      Fremstilling av TADFIW (2,6,8,12-tetraacetyl-4,10-diformyl-2,4,6,8,10,12- heksaazaisowurtzitane) har blitt gjennomført ved hydrogenering av TADBIW (2,6,8,12- tetraacetyl-4,10-dibenzyl-2,4,6,8,10,12-heksaazaisowurtzitane) ...

    • TEMPER simulations for 120 mm IM HE-T 

      Nevstad, Gunnar Ove (2015-11-17)
      Three of the IM threats, bullet impact, fragment impact and sympathetic reaction, have been studied by simulations with the MSIAC software TEMPER. TEMPER has been used to calculate the IM responses of 120 mm IM HE-T ...

    • TEMPER simulations of bullet impact and fragment impact tests of 155 mm shell filled with MCX-6100 composition 

      Nevstad, Gunnar Ove (2015-10-22)
      IM classification of munitions requires testing according to STANAG 4439 (1). All tests have to be performed unless the Threat Hazard Analysis shows that specific threats in the STANAG do not exist for the life cycle of ...

    • TEMPER simulations of MCX-6100 filled 155 mm shell - experimental properties, sympathetic reaction and fragmentation studies 

      Nevstad, Gunnar Ove (2015-10-22)
      IM classification of munitions requires testing according to STANAG 4439 (1). The exception is if the Threat Hazard Analysis shows that a specific threat in the STANAG does not exist for the life cycle of the munitions. ...

    • Testing av sjokkfølsomhet av Dyno I-RDX 

      Nevstad, Gunnar Ove (2002)
      PBXN-109 has been produced from different RDX qualities to study properties as pot-life, mechanical properties and shock sensitivity. DYNO Industrier produced the applied RDX. The first RDX quality studied was delivered ...

    • Testing av sjokkfølsomhet til PBXN-110 

      Nevstad, Gunnar Ove (2005)
      The PBXN-110 composition has been used to test the quality of HMX crystals. PBXN-110 is a cast cure PBX containing an inert binder system and HMX. A ratio of 3:7 between HMX class 2 and class 3 was used to study the process ...

    • Testing of gun barrel erosion by erosion bomb 

      Nevstad, Gunnar Ove (2003)
      The properties of the propellants are one important factor that determine gun barrel lifetime. To be able to study the propellants influence on the wear of gun barrel have we built test equipment based on a standard closed ...

    • Testing of M7 propellant at different temperatures in closed vessel 

      Nevstad, Gunnar Ove (2009)
      Lot NARA 225A M7 propellant produced as tubes by Nammo Raufoss for use in M72 has been tested in a 700 cm3 closed vessel for determination of the burn rate and impetus. The propellant has been tested at three different ...

    • Testing of M7 propellants in closed vessel 

      Nevstad, Gunnar Ove (2008)
      M7 propellant in form tubes has been tested in a 700 cm3 closed vessel for determination of burn rate and impetus. The tested tubes had an average length of 41.8 mm and a web of 0.94 mm. Four firings with loading density ...

    • Testing of pyrotechnic compositions in closed vessel 

      Nevstad, Gunnar Ove (2001)
      In MP (multipurpose) munitions the nose cap is filled with a pyrotechnic composition that, when it sees certain stimuli, ignite and start burning. This burning is important for how the munitions will function. Compositions ...

    • Testing of two M7 propellant lots in closed vessel 

      Nevstad, Gunnar Ove (2009)
      Two different lots of M7 propellant for use in M72 rockets have been tested at room temperature in closed vessel to investigate if they have different burning properties. The studied lots were lot NARA 128 and lot NARA ...