• Thumbnail for Autofrettage
    Autofrettage is a work-hardening process in which a pressure vessel (thick walled) is subjected to enormous pressure, causing internal portions of the...
    8 KB (1,061 words) - 19:53, 14 May 2024
  • Thumbnail for Composite overwrapped pressure vessel
    composite resin. During manufacturing, COPVs undergo a process called autofrettage. The unit is pressurized and the liner expands and plastically (permanently)...
    8 KB (769 words) - 10:11, 17 February 2024
  • shrink-fit cylinders, but can also be performed to singular cylinders though autofrettage of thick cylinders. The hoop stress is the force over area exerted circumferentially...
    13 KB (1,854 words) - 15:50, 7 September 2023
  • Thumbnail for Howitzer
    was a product of technical advances such as the French invention of autofrettage just before World War I, which led to stronger and lighter barrels, the...
    23 KB (2,923 words) - 17:35, 24 July 2024
  • Thumbnail for 10 cm Feldhaubitze M 99
    barrel from the so-called steel bronze (92% copper bronze strengthened by autofrettage which was used due to the lack of steel industry in Austria, see Franz...
    3 KB (187 words) - 15:44, 28 June 2024
  • Thumbnail for Residual stress
    light to induce a shock wave that propagates deep into the material. Autofrettage Shot peening Laser peening Low plasticity burnishing High-frequency impact...
    17 KB (2,057 words) - 09:36, 5 January 2024
  • Thumbnail for Ordnance QF 2-pounder
    Gun variants: Mk IX - main pre-war production version, with barrel of autofrettage construction. Mk IX-A - Mk IX simplified for mass production. Mk X -...
    27 KB (2,804 words) - 22:19, 31 May 2024
  • Thumbnail for 8 cm FK M. 5
    conventional design, with its most notable feature being its obsolescent autofrettaged bronze (so-called steel-bronze, see Franz von Uchatius) barrel, necessary...
    10 KB (867 words) - 21:56, 15 July 2024
  • Thumbnail for 18 cm kurze Kanone M 80
    the older guns. The steel-bronze (92% copper bronze strengthened by autofrettage, see Franz von Uchatius) was considered inferior to steel as early as...
    3 KB (271 words) - 10:54, 26 July 2022
  • Thumbnail for Shot peening
    direct blast onto the workpiece, and a very hard workpiece material. Autofrettage, which produces compressive residual stresses in pressure vessels. Case...
    15 KB (2,227 words) - 17:02, 29 June 2024
  • approximately halfway down its length. The barrel is fabricated using the autofrettage method to allow the wall to be thin but extremely strong. A hydro-spring...
    11 KB (1,418 words) - 06:49, 22 June 2024
  • weight 6.4 kg (APC-T shot POT-51A) Calibre 75 mm (2.95 in) Barrels autofrettaged Action semi-automatic horizontal sliding-wedge breech Breech horizontal...
    6 KB (653 words) - 16:33, 24 April 2024
  • the older guns. The steel-bronze (92% copper bronze strengthened by autofrettage, see Franz von Uchatius) was considered inferior to steel as early as...
    3 KB (297 words) - 10:53, 26 July 2022
  • Thumbnail for Al-Zarrar tank
    Al-Zarrar's primary armament is a 125 mm smoothbore tank gun with an autofrettaged, chrome-plated gun barrel. It is a Chinese non-licensed clone of 2A46...
    12 KB (1,068 words) - 02:55, 10 July 2024
  • Thumbnail for 46 cm/45 Type 94 naval gun
    entered combat. The complex Type 94 barrels were constructed in three autofrettaged stages. A half-length tube was fitted over the first tube and shrunk...
    10 KB (927 words) - 14:39, 2 July 2024
  • Thumbnail for Arjun (tank)
    remelting (ESR) steel which is insulated with a thermal sleeve and autofrettaged to withstand higher pressure. The newer Arjun MK1A variant retains the...
    74 KB (6,327 words) - 12:52, 24 July 2024
  • Thumbnail for L118 light gun
    slightly shorter maximum range. Also, unlike the Abbot, the barrel is autofrettaged and hence lighter. The light gun appears to owe a number of its features...
    31 KB (3,563 words) - 15:41, 28 June 2024
  • Thumbnail for 10 cm Gebirgshaubitze M 99
    made from the so-called steel bronze (92% copper bronze strengthened by autofrettage which was used due to the lack of steel industry in Austria, see Franz...
    3 KB (172 words) - 06:23, 20 January 2024
  • Thumbnail for Philbert Maurice d'Ocagne
    equations of plastic deformation allowed French gunmakers to implement autofrettage on an industrial scale and boost the output of artillery pieces. In early...
    4 KB (511 words) - 06:16, 20 February 2024
  • Thumbnail for Built-up gun
    construction for postwar guns of medium caliber. In a procedure called autofrettage, a bored monoblock tube is filled with hydraulic fluid at pressures higher...
    9 KB (1,231 words) - 06:46, 29 June 2023
  • Thumbnail for QF 18-pounder gun
    was modified. In the Mk IVA, the A tube and wire were replaced by an autofrettaged loose liner. The Mk IVB was the same with minor modifications, most...
    71 KB (9,347 words) - 19:59, 9 May 2024
  • Thumbnail for KH178
    ring. The tube is made of high strength alloy steel, heat-treated and autofrettaged to provide maximum life. The firing mechanism is a continuous pull (self-cocking)...
    9 KB (817 words) - 01:43, 19 March 2024
  • Thumbnail for 15 cm Mörser M 80
    War I.. The so-called steel-bronze (92% copper bronze strengthened by autofrettage, see Franz von Uchatius) was considered inferior to steel as early as...
    3 KB (203 words) - 10:55, 26 July 2022
  • Thumbnail for SP70
    current and future 155 mm projectiles can be fired. The barrel is of autofrettage monoblock construction, fitted with a muzzle brake and fume extractor...
    9 KB (1,168 words) - 07:39, 23 June 2023
  • Application of the Deep Hole Technique for Measuring Residual Stresses in Autofrettage Tubes. ASME, Pressure Vessels and Piping 93-94. F.Hosseinzadeh et al...
    10 KB (1,298 words) - 10:07, 7 July 2022
  • Thumbnail for High-frequency impact treatment
    vehicles can be increased. Welding Ultrasonic impact treatment Shot peening Autofrettage, which produces compressive residual stresses in pressure vessels. The...
    8 KB (1,000 words) - 21:02, 1 September 2023
  • Thumbnail for Tanks of the post–Cold War era
    Melara.The Ariete is mounted with a 120 mm smoothbore Oto Melara cannon, autofrettaged and stress-hardened to increase durability over extended periods of...
    45 KB (5,400 words) - 00:53, 30 July 2024
  • Thumbnail for 12 cm K.A.
    trials with a new gun presented by Franz von Uchatius. Uchatius copied an autofrettage (avant la lettre) process from a 1869 American patent without a license...
    20 KB (2,353 words) - 11:51, 28 August 2023
  • Thumbnail for CN120-25
    vertical sliding breech-block is used, the barrel is chrome-plated and autofrettaged. The 120 mm smooth-bore gun G1 has been fitted to the private venture...
    5 KB (389 words) - 06:01, 22 June 2024
  • Thumbnail for 12 cm Lang brons
    still had to be delivered. In the mid-1870s Franz von Uchatius copied an autofrettage (avant la lettre) process from a 1869 American patent without a license...
    12 KB (1,447 words) - 11:41, 28 August 2023