ASTM F382 Precision Four-Point Bending Fixture
Provides hardened steel cylindrical rollers (diameter 10 mm) with outer span L = 100 mm and inner span a = 25 mm.
Biomedical Engineering / Bone Plate Four-Point Bending
FREE TO EXPLORELABORATORY 20 · BIOMEDICAL ENGINEERING
Titanium Alloy Orthopaedic Bone Plate Four-Point Bending Compliance
Evaluate the structural bending compliance C_b and flexural rigidity of a medical Ti-6Al-4V ELI bone fracture fixation plate under standardized ASTM F382 four-point bending. Explore interactive physiological instrumentation simulation, biomechanics, and biomedical engineering telemetry.
BIOINSTRUMENTATION · BIOSIGNALS · BIOMECHANICS · IMAGING
Your virtual biomedical engineering laboratory.
CENTERLINE DEFLECTION Δ—
PHYSIOLOGICAL & TEST CELL TELEMETRY
Ready to sample with Load W = 300.0 N.
Adjust Load W, then execute biomedical trial.
Biomedical engineering telemetry and physiological states are evaluated rigorously using 64-bit IEEE 754 precision. Residuals reflect ordinary least-squares regression across successive observations. Continuous data structures support high-fidelity biological and physiological modeling.
Biomedical assumptions and boundary condition limits
The linear compliance model applies strictly within the elastic limit; plastic yielding requires non-linear elastoplastic analysis. Evaluated on a 6-hole medical-grade Ti-6Al-4V ELI LC-DCP plate (thickness 3.8 mm, width 11.0 mm) tested in an ASTM F382 fixture with outer span L = 100 mm and inner load span a = 25 mm. Tested from 100 N to 600 N in the linear elastic regime. Structural compliance C_b = 0.0042 mm/N.
Biomedical apparatus & physiological sensors.
Electromechanical Materials Testing Machine
Applies controlled displacement rates from 0.1 to 10 mm/min with high-precision closed-loop encoder.
Medical Grade Ti-6Al-4V ELI Dynamic Compression Plate
6-hole osteosynthesis plate with staggered screw hole geometry for fracture stabilization.
Precision 5 kN Low-Profile Load Cell
Measures total applied vertical force W with 0.1% full-scale accuracy.
High-Accuracy Centerline LVDT Deflectometer
Directly measures bottom-surface mid-span vertical deflection δ independent of machine frame compliance.
Digital Data Acquisition Console
Digitizes simultaneous force and deflection channels at 1 kHz with 24-bit analog-to-digital resolution.
FOLLOW THE METHOD
A reason behind every step.
Evaluate the structural bending compliance C_b and flexural rigidity of a medical Ti-6Al-4V ELI bone fracture fixation plate under standardized ASTM F382 four-point bending. Standardized parameter settings: 100.0, 200.0, 300.0, 400.0, 500.0, 600.0 N.
01
Fixture Geometry Calibration
Set outer roller span to exactly L = 100.0 mm and inner roller span to a = 25.0 mm using precision gauge blocks; verify parallelism of all four cylindrical rollers.
02
Plate Centering and Zero Contact
Position the titanium plate symmetrically across the support rollers so that a central screw hole aligns with the middle of the pure bending span.
03
Centerline Deflectometer Positioning
Position the precision LVDT directly beneath the plate center span and adjust the spring-loaded probe tip to make positive contact.
04
Tare Load and Crosshead Zeroing
Apply a seating tare load of 10 N to eliminate mechanical play and zero both load and deflection readings.
05
Stepwise Loading Sequence
Advance crosshead at 1.0 mm/min through load increments of 100, 200, 300, 400, 500, and 600 N, recording stabilized mid-span deflection δ at each step.
06
Structural Compliance Regression
Plot mid-span deflection δ versus applied load W and compute the structural bending compliance C_b and flexural rigidity E·I via linear regression.
YOUR NOTEBOOK · 0 OBSERVATIONS
Turn measurements into biomedical engineering insight.
Points are your recorded observations. The solid regression line validates Bone Plate Four-Point Bending mathematical scaling.
LINEAR REGRESSION FIT · y = mx + b
δ = C_b · W = 0.0042 · W
| # | Total Bending Load W (N) | Centerline Deflection δ (mm) | Applied bending load W (N) | Mid-span deflection δ (mm) | Remove |
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