Research into the shelf life of solid missile fuel suggests that many of China's ICBMs may be rendered unusable within just 30 years.
Tests conducted at the National Key Laboratory of Solid Rocket Propulsion in Xian revealed that missile fuel columns would be unable to withstand flight stresses in just 30 years.A study by Chinese rocket scientists has uncovered a critical issue with the solid fuel used in intercontinental ballistic missiles .
Qin’s team emphasized the importance of the propellant’s ability to withstand pressure loads during engine operation to maintain the structural integrity of the fuel grain. Their research showed that the propellant’s ductility under pressure could deteriorate significantly in as few as 27 years. The structure of solid fuel is highly complex, with certain components needing to fit tightly with the missile body, requiring the fuel to remain ductile under stress. During a launch, the pressure generated—around six megapascals—could lead to rapid fracturing of aged propellant, posing a serious risk to missile performance.II missile launched from a British Royal Navy submarine suffered a similar failure.
The Minuteman III has shown repeated failures during inspections and tests, while the Trident II, despite a strong track record of reliability, suffered back-to-back launch failures. These incidents underscore growing concerns about the long-term effectiveness of these critical deterrent systems.
China Defense &Amp Military Fuel ICBM Minuteman Rockets
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