Advanced Fatigue & Fracture Toughness Testing Services

Powered by Our State-of-the-Art Fracture Mechanics & Fatigue Testing Machine

Subodh Material Technologists proudly announces the launch of our enhanced Fracture Mechanics & Fatigue Testing Laboratory, equipped with a next-generation servo-hydraulic testing system capable of performing highly specialised fatigue and fracture toughness tests as per the world’s leading standards.

Our upgraded capability strengthens our position as one of India’s most advanced material testing laboratories, delivering highly reliable data for critical industries including Oil & Gas, Nuclear, Aerospace, Defence, Automotive, Heavy Engineering and R&D institutions.

✔ Fatigue Testing Capabilities

We offer comprehensive fatigue evaluation across metals and alloys in round, flat, tubular, sheet, strip and plate forms.

High Cycle Fatigue (HCF) Testing

• Standard: ASTM E466
  
  

• Application: Material endurance under high-cycle, low-stress loading
  
  

• Industries: Automotive, aerospace, rotating equipment, turbine parts
  
  

Low Cycle Fatigue (LCF) Testing

• Standard: ASTM E606 / E606M
  
  

• Application: Components subjected to large strain amplitudes, thermal-mechanical loads
  
  

• Industries: Power plants, pressure equipment, structural components
  
  

Fatigue Crack Growth Rate (FCGR) Testing

• Standard: ASTM E647
  
  

• Application: Crack propagation behaviour under cyclic loading
  
  

• Outputs: da/dN vs ΔK curves, threshold stress intensity
  
  

• Industries: Aerospace, pressure vessels, R&D
  
  

✔ Fracture Toughness Testing Capabilities

We provide complete fracture toughness testing services, covering KIC, JIC, CTOD evaluations across a wide range of materials:

ASTM Standards

ASTM E399 – Linear Elastic Fracture Toughness (KIC)

Materials: Round & plate metals/alloys

ASTM E1820 – Elastic-Plastic Fracture Toughness (JIC, KIC, CTOD)

Materials: Round & plate metals/alloys
Tests:

• JIC (J-Integral)
  
  

• KIC
  
  

• CTOD
  
  

ASTM E1290 – CTOD and JIC Testing

Materials: Round & plate metals/alloys
Tests:

• JIC
  
  

• KIC
  
  

• CTOD

BS & ISO Standards

BS 8571 – Fracture Toughness Testing (JIC & CTOD)

Materials: Round & plate metals/alloys

BS 7448 – Multi-Part Fracture Mechanics Series

BS 7448 (Part 1) – Metals & Alloys (Tubes, Pipes, Plates)

• JIC
  
  

• KIC
  
  

• CTOD
  
  

BS 7448 (Part 2) – Welds

• JIC
  
  

• KIC
  
  

• CTOD
  Specialised for welded joints and heat-affected zones.
  
  

BS 7448 (Part 3) – Higher Constraint Specimens

• JIC
  
  

• KIC
  
  

• CTOD
  
  

BS 7448 (Part 4) – High-Temperature & Elevated-Service Conditions

• JIC
  
  

• CTOD
  
  

ISO Standards

ISO 12135 – Fracture Toughness of Metallic Materials

Materials: Tubes, pipes, plates
Tests:

• JIC
  
  

• CTOD
  
  

ISO 15653 – Specimen Testing of Metallic Materials

• KIC
  
  

• JIC
  Materials: General metallic materials
  
  

Why Our New Testing Capability Stands Apart

• High-capacity servo-hydraulic system with advanced digital control
  
  

• Support for CT, SENB/3PB, and various standardised specimen geometries
  
  

• High-resolution COD/clip gauge instrumentation
  
  

• Real-time crack growth monitoring & data acquisition
  
  

• Strict compliance with ASTM, ISO, BS standards
  
  

• Testing for base materials, welds, tubes, pipes, plates & speciality alloys
  
  

• NABL-aligned practices and documentation
  
  

• Expert interpretation for engineering applications
  
  

Industries Benefiting From Our Capabilities

• Oil & Gas (OCTG, pipelines, sour service materials)
  
  

• Nuclear & Thermal Power
  
  

• Aerospace & Defence
  
  

• Automotive & Rail
  
  

• Pressure Vessel & Boiler Manufacturers
  
  

• R&D Institutions & Material Development Groups
  
  

• Forging, Casting & Welding Industries
  
  

Enhancing Safety, Integrity & Reliability Through Advanced Fracture Mechanics

Our newly commissioned fracture mechanics and fatigue testing capability empowers engineers, designers and manufacturers to understand the behaviour of materials under demanding service conditions.

For project enquiries or detailed capability discussions, contact Subodh Material Technologists today.