sciforge-core 0.0.4

Shared engineering primitives: materials, fasteners, fluids, propulsion taxonomies, std components.
Documentation 
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use std::sync::LazyLock;
use super::super::{Material, MaterialFamily};

pub static SILICON_NITRIDE_SI3N4: LazyLock<Material> = LazyLock::new(|| Material {
    element: None,
    name: "Silicon nitride Si3N4",
    formula: "Si3N4",
    family: MaterialFamily::Ceramic,
    density_kg_m3: 3290.0,
    young_modulus_pa: 310.0e9,
    poisson_ratio: 0.27,
    yield_strength_pa: 850.0e6,
    ultimate_strength_pa: 850.0e6,
    thermal_conductivity_w_mk: 30.0,
    thermal_expansion_per_k: 3.3e-6,
    specific_heat_j_kgk: 700.0,
    max_service_temp_k: 1773.0,
    fatigue_strength_coeff_pa: 1100.0e6,
    fatigue_strength_exponent: -0.05,
    hardness_hv: 1700.0,
    cost_eur_kg: 130.0,
});

pub static SILICON_CARBIDE_SIC: LazyLock<Material> = LazyLock::new(|| Material {
    element: None,
    name: "Silicon carbide SiC",
    formula: "SiC",
    family: MaterialFamily::Ceramic,
    density_kg_m3: 3210.0,
    young_modulus_pa: 410.0e9,
    poisson_ratio: 0.14,
    yield_strength_pa: 550.0e6,
    ultimate_strength_pa: 550.0e6,
    thermal_conductivity_w_mk: 120.0,
    thermal_expansion_per_k: 4.0e-6,
    specific_heat_j_kgk: 750.0,
    max_service_temp_k: 1873.0,
    fatigue_strength_coeff_pa: 700.0e6,
    fatigue_strength_exponent: -0.05,
    hardness_hv: 2800.0,
    cost_eur_kg: 110.0,
});

pub static ZIRCONIA_ZRO2: LazyLock<Material> = LazyLock::new(|| Material {
    element: None,
    name: "Zirconia ZrO2 (PSZ)",
    formula: "ZrO2",
    family: MaterialFamily::Ceramic,
    density_kg_m3: 6050.0,
    young_modulus_pa: 200.0e9,
    poisson_ratio: 0.30,
    yield_strength_pa: 900.0e6,
    ultimate_strength_pa: 900.0e6,
    thermal_conductivity_w_mk: 2.2,
    thermal_expansion_per_k: 10.5e-6,
    specific_heat_j_kgk: 400.0,
    max_service_temp_k: 1773.0,
    fatigue_strength_coeff_pa: 1200.0e6,
    fatigue_strength_exponent: -0.05,
    hardness_hv: 1300.0,
    cost_eur_kg: 95.0,
});