Youyi Zhang

Core Responsibilities

Led a 13-member team in R&D, production, and technical support of high-pressure/high-temperature (HPHT) pipeline components (5-15MPa, 600°C) for power plants, petrochemical facilities, and oil industries.
Specialized in repairing/redesigning steam/steam-eroded valves (seats, stems, discs) using stainless steel, nickel/cobalt alloys, and sealing systems using advanced polymers (e.g., Teflon) and high-strength graphite.
Pioneered workflow innovations: Implemented 3D damage analysis → topology optimization → material/structure redesign → automated production monitoring system.
Skill Development

Enhanced precision engineering capabilities through failure mode analysis and computational fluid dynamics (CFD) simulations.
Mastered laser welding system design (replacing traditional TIG) with custom tooling development, improving weld joint consistency by 27%.
Key Achievements

Boosted product lifespan 35% by integrating field repair insights into new valve designs.
Reduced client installation labor hours 25% via modular sealing system redesign.
Increased production yield 20% through AI-assisted quality control protocols.
Implemented 10+ company-wide technical standards for anti-corrosion coating methods on nickel alloy substrates.
Value Creation

Enabled 15-20% premium pricing through material science breakthroughs in extreme-environment applications.
Decreased customer downtime 40% via predictive maintenance advisory services.