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SkillsMP has collected 647 skills from MP-AI-20/mechanical-engineering-skills. Open a skill to review its source and details.
MP-AI-20/mechanical-engineering-skillsShowing 40 of 647 collected skills.
Hard chrome replacement coatings — HVOF WC-Co/Cr₂C₃-NiCr, electroless nickel, PVD TiN/CrN, cold spray, high-velocity arc spray, REACH/RoHS Cr(VI) compliance, performance comparison to hard chrome, aerospace qualification AMS 2460.
Steel hardenability — Jominy end-quench test, Grossmann H-factor, ideal critical diameter (DI), hardness prediction, alloy contribution, boron effect, case vs. core hardness, ASTM A255, hardenability bands, heat treatment selection.
HAZOP study methodology — guidewords (No/More/Less/Reverse/Other), nodes, deviations, consequences, safeguards, action items, LOPA layers of protection, IEC 61882, risk matrix.
Heat exchanger field troubleshooting — fouling (Kern-Seaton model, fouling resistance R_f, cleaning intervals), tube-to-tubesheet joint failures (rolled vs. welded, ligament cracking), flow-induced vibration (Connors criterion, vortex shedding, acoustic…
Heat exchanger design and rating — LMTD method, NTU-effectiveness method, shell-and-tube, plate, crossflow. Fouling factors, pressure drop, tube sizing, TEMA standards.
Heat pipes and vapor chambers — capillary limit, wick structures, operating limits (sonic, entrainment, boiling, flooding), thermal resistance, loop heat pipes, two-phase cooling.
Heat sink design — fin geometry (rectangular/pin/corrugated), convection coefficient, thermal resistance network, forced/natural convection, pressure drop, material selection (Al/Cu), heat pipe integration, TIM selection, JEDEC standards, electronics cooling.
Heat treatment of steels — annealing, normalizing, hardening, tempering, carburizing, nitriding. CCT/TTT diagrams, hardenability (Jominy), Larson-Miller, distortion control.
Helical gear design — helix angle, virtual number of teeth, AGMA strength, Lewis form factor, dynamic factor, geometry, axial thrust, shaft loads.
High-entropy alloys (HEA) — definition, CALPHAD design, mechanical properties (Cantor alloy, refractory HEA), phase stability, strengthening mechanisms, applications, processing.
High-strength steel — AHSS/UHSS/martensitic/DP/TRIP/TWIP steels, tensile strength tiers, forming limits (FLD), springback, weldability (CEQ), automotive lightweighting, 1500–2000 MPa grades, hydrogen embrittlement risk, ASTM A1090.
Hot forging process — flow stress, die temperature, billet heating, scale, flash and no-flash, hammer vs. press forging, forge load prediction (slab method), die life, die materials, microstructure control (recrystallization), titanium/aluminum/steel hot…
Hot rolling of metals — rolling force (Sims/Bland-Ford), draft and reduction per pass, roll pressure distribution, forward slip, spread, dynamic recrystallization (DRX) kinetics (Avrami equation), static recrystallization between passes, controlled rolling…
HVAC systems — psychrometrics, cooling/heating load (ASHRAE), duct sizing (velocity/equal friction), fan selection, coil performance, refrigerant selection, VAV vs. CAV, DOAS, energy efficiency.
HVOF (High Velocity Oxy-Fuel) thermal spray coating — process parameters, WC-Co/CrC-NiCr/MCrAlY feedstocks, porosity, hardness, bond strength, residual stress, ASTM C633/ASTM E384 testing.
Hydraulic accumulator design — bladder/piston/diaphragm types, gas precharge, sizing for energy storage/pulsation dampening/emergency actuation, Boyle's law, ASME B&PV code, flow delivery, emergency reserve calculation, API 618.
Hydraulic actuator design — linear cylinders, motor torque, flow/pressure relationships, force calculation, buckling of piston rod, seal selection, velocity control, servo valve integration, position control loop, MIL-H-5440, ISO 4413.
Hydraulic circuit design — pressure/flow/power analysis, actuator sizing, pump selection, valve types, accumulator design, ISO circuit symbols, safety, efficiency.
Source text: Undetermined
Hydraulic cylinder engineering — tie-rod/welded/telescopic designs, end cap design, port sizing, cushioning, stop-tube, side load, thread engagement, NFPA T3.6.7 standard bores, cylinder testing, fatigue, repair and reboring limits.
Hydraulic manifold design — integrated block manifold, porting layout, D03/D05 interface, flow path pressure drop, cross-drilling, metal selection, testing, ISO 4401, cavity cartridge valves.
Hydraulic networks — series/parallel circuits, accumulator sizing, pressure compensation, variable displacement pumps, load-sensing systems, flow sharing, mobile hydraulics, ISO 4413.
Hydraulic pump selection — gear/vane/piston (axial/radial), displacement sizing, pressure-flow curves, volumetric and overall efficiency, pump curve matching, noise, NPSH, cavitation, API 610, ISO 4413, variable displacement control.
Hydrodynamic journal bearing design — Reynolds equation, Sommerfeld number, Ocvirk/Raimondi-Boyd charts, minimum film thickness, eccentricity, stability, bearing materials.
Hydroforming — tube hydroforming (THF), sheet hydroforming, fluid pressure forming, internal pressure, end feed, calibration pressure, FLD/FLC, wrinkle control, necking, tooling design, automotive structural applications, ASTM B736.
Hydrogen embrittlement (HE) — mechanisms (HEDE/AIDE/HELP), threshold stress intensity K_IH, susceptibility by material (high-strength steels, titanium, nickel), plating-induced HE, hydrogen charging, prevention (baking, coatings, material selection), ASTM…
Hydrogen pipeline design — ASME B31.12, materials (carbon steel/stainless/composite), HE susceptibility, pressure class, flow calculations (compressible), leak detection, HDPE for buried distribution, safety requirements, repurposing natural gas pipelines.
Hydrogen safety — flammability limits, ignition energy, buoyancy, jet fire/deflagration/detonation, DDT, consequence modeling, NFPA 2, IEC 60079, ventilation sizing, blast overpressure, hydrogen stations, FMEA for H₂ systems, codes and standards.
Hydrogen storage methods — compressed gas, liquid H₂, metal hydrides, LOHC, underground, gravimetric/volumetric density, safety, DOE targets, code requirements.
Hydrostatic bearing design — pressurized recess bearings, load capacity, stiffness, flow requirements, compensation methods (orifice/capillary/restrictor), pad geometry, supply pressure, pump sizing, grinding machine applications, ultra-precision spindles.
Hydrostatic pressure testing — ASME B31.3/B31.1/ASME VIII test pressures, leak testing, pneumatic test alternative, test pressure calculation, test medium, pressurization rate, hold time, acceptance criteria, inspector requirements, test documentation.
Hyperbaric engineering — saturation diving systems (deck decompression chambers, diving bells, transfer under pressure), PVHO design per ASME PVHO-1, decompression sickness (Haldane/Bühlmann models, compartment M-values), oxygen toxicity limits, heliox/trimix…
Hypoid gear design — offset axis geometry, spiral bevel vs. hypoid, tooth geometry (face milling/hobbing), Gleason geometry, tooth contact analysis (TCA), scoring resistance, EP lubricants, axle applications, AGMA 2005, load distribution factor.
IC engine thermodynamics — Otto/Diesel/dual cycle analysis, thermal efficiency, MEP, volumetric efficiency, heat release, knock, emissions, performance maps.
Ice mechanics — sea ice loads on offshore structures (ISO 19906), ice pressure (Korzhavin/Ralston), icebreaker hull design (sloped hull, icebreaking force, powering), level ice vs. ridge/rubble ice, ice flexural strength, ice compressive strength vs. aspect…
Impact and crashworthiness analysis — impulse-momentum, energy absorption, crush zones, HIC (head injury criterion), FMVSS standards, explicit FEA (LS-DYNA), strain rate effects, material failure criteria, pedestrian protection, side impact, NCAP.
Impact testing — Charpy/Izod pendulum, CVN energy, ductile-to-brittle transition (DBTT), ASTM E23, fracture appearance, instrumented impact, drop weight test (ASTM E208), Pellini test.
Centrifugal impeller design — Euler turbomachinery equation, specific speed, blade angle, meridional velocity, slip factor, NPSH, cavitation, diffuser matching, volute design, ANSYS CFX, impeller-diffuser interaction, shroud clearance, balancing.
Orthopedic implant design — biomaterials (Ti-6Al-4V, CoCrMo, PEEK, UHMWPE), osseointegration, fatigue life, wear simulation, total hip/knee arthroplasty, ASTM F136/F75/F2996, ISO 5832, FDA 510(k)/PMA, fixation methods, finite element analysis for implants.
Induction hardening process design — Lenz's law, skin depth, power density, frequency selection, case depth, quench parameters, distortion, residual stress, Jominy correlation, AMS 2304/2301, scanning vs. single-shot, tempering requirements, gear and shaft…
Instrumentation field troubleshooting — pressure transmitter issues (impulse line blockage, freeze-up, vapor lock, wet leg errors), temperature measurement errors (thermocouple drift, thermowell vibration/resonance, Strouhal number, immersion length, EMF…