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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel Life
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<blockquote data-quote="BallisticsGuy" data-source="post: 1731306" data-attributes="member: 96226"><p>Yes but that's making a huge assumption about the mechanical erosion component's contribution, for which no useful study data exists that I know of and, mechanical erosion by powder would not be the only erosion mechanism of note. The high temperature gasses literally vaporize a bit of steel on each shot. Pressure and powder volume are equal enemies. High pressures convert directly to high temperatures. </p><p></p><p>If you want better throat life, then keep pressures low, use the least mass of powder possible, keep your shoulder angle + neck length set up so that the flame intersection point is inside the case neck and of course don't shoot with the barrel hot.</p></blockquote><p></p>
[QUOTE="BallisticsGuy, post: 1731306, member: 96226"] Yes but that's making a huge assumption about the mechanical erosion component's contribution, for which no useful study data exists that I know of and, mechanical erosion by powder would not be the only erosion mechanism of note. The high temperature gasses literally vaporize a bit of steel on each shot. Pressure and powder volume are equal enemies. High pressures convert directly to high temperatures. If you want better throat life, then keep pressures low, use the least mass of powder possible, keep your shoulder angle + neck length set up so that the flame intersection point is inside the case neck and of course don't shoot with the barrel hot. [/QUOTE]
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Rifles, Bullets, Barrels & Ballistics
Barrel Life
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