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Airworthiness Certification of Metallic and Non-metallic Materials: The Indian Approach and Methodologies

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Aerospace Materials and Material Technologies

Part of the book series: Indian Institute of Metals Series ((IIMS))

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Abstract

The Indian scenario of airworthiness certification and philosophy of certification of metallic and non-metallic materials and approach, the classification of materials based on their criticality of application and agencies involved in certification activity, and their roles and responsibilities are briefly described in this chapter. Appropriate examples and case studies for each class of materials are also discussed.

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Abbreviations

ADA:

Aeronautical Development Agency, Bengaluru

AMS:

Aerospace material specification

APL:

Antenna platform (casting)

ASL:

Advanced Systems Laboratory, Hyderabad

ASTRA:

Name of the beyond-visual-range air-to-air missile (BVRAAM)

BALCO:

Bharat Aluminium Company, Korba

BF:

Bharat Forge, Pune

BVRAAM:

Beyond-visual-range air-to-air missile

CABS:

Centre for Airborne Systems, Bengaluru

CEMILAC:

Centre for Military Airworthiness and Certification, Bengaluru

CTE:

Coefficient of thermal expansion

DGAQA:

Directorate General of Aeronautical Quality Assurance

DMRL:

Defence Metallurgical Research Laboratory, Hyderabad

DRDL:

Defence Research and Development Laboratory, Hyderabad

DRDO:

Defence Research and Development Organisation, New Delhi

DS:

Directional solidification; also, directionally solidified

DSPL:

Deccan Smiths Private Limited, Hyderabad

DT:

Destructive testing

DTS:

Development test schedule

ECIL:

Electronics Corporation of India Limited, Hyderabad

FI/FISCL:

Firth India Steel Company Limited, Nagpur

GIL:

Graphite India Limited, Bengaluru

GOST:

Russian Acronym for GOSUDARSTVENNYY STANDART (State Standard)

HAL:

Hindustan Aeronautics Limited

HAL (F&F):

Hindustan Aeronautics Limited, Foundry and Forge Division, Bengaluru

HAWK:

Name of an advanced jet trainer

HCF:

High-cycle fatigue

HPTB:

High-pressure turbine blade

HPTV:

High-pressure turbine vane

HT:

Heat treatment

HTCC:

High Temperature Composites Centre of ASL

IAF:

Indian Air Force

ID:

Inner diameter

INDALCO:

Indian Aluminium Company, Alwaye

IPCL:

Investment and Precision Castings Limited, Bhavnagar

KMML:

Kerala Minerals and Metals Limited, Kollam

L:

Length; also, longitudinal

LCA:

Light combat aircraft (Also named TEJAS)

LCF:

Low-cycle fatigue

LPTB:

Low-pressure turbine blade

LRU:

Line replaceable unit

LTCC:

Local type certification committee

MIDHANI:

M/s Mishra Dhatu Nigam Limited, Hyderabad

MMBL:

Manjeera Machine Builders Private Limited, Hyderabad

MMR:

Multi-mode radar

MU:

Mahindra Ugine Steel Company Limited, Colaba

NDT:

Non-destructive testing

NFC:

Nuclear Fuel Complex, Hyderabad

OCT:

A Russian avionic specification

OD:

Outer diameter

OFA:

Ordinance Factory, Ambajheri

PC:

Provisional clearance

QA:

Quality audit; also, Quality assurance

QC:

Quality control

R&D:

Research and development

RCMA:

Regional Centre for Military Airworthiness

RD:

Regional Director

RDAQA (GM&W):

Regional Director, Aeronautical Quality Assurance (Guided Missiles and Weapons)

RPS:

Revised process sheet

RS:

Release Specification

RT:

Room temperature

RTO:

Resident Technical Office

SIFL:

Steel and Industrial Forgings Limited, Thrissur

SMPL:

Senor Metals Private Limited, Jamnagar

SOFT:

Safety of flight test

TA:

Type approval

TC:

Type certification

TET:

Turbine entry temperature

TR:

Type record

TTS:

Type test schedule

TY/TU:

Russian abbreviation for technical conditions

UT:

Ultrasonic testing

UTS:

Ultimate tensile strength

VIM:

Vacuum induction melting

YS:

Yield strength

ZTQE:

Zero time quantitative evaluation

References

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  22. Indian Standards, India.

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  24. American Society for Testing Materials (ASTM), USA.

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  25. British Standards (BS), UK.

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  26. Turbomeca and LA Specifications, France.

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  27. DIN Standards, Germany.

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  28. GOST, TY and TU Standards, Russia.

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Bibliography

  • The following documents and publications have aided in drafting the Indian material certification specifications, methodologies and approvals, and hence serve as general references and guideline volumes:

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Acknowledgments

The authors would like to thank the support from CEMILAC, Bangalore, especially from Shri G Gouda, GD (propulsion) and Dr. VK Varma, GD (TCS). They also would like to thank their colleagues and associates from DMRL, ASL, MIDHANI and BDL. Funding from DRDO is gratefully acknowledged.

Author information

Authors and Affiliations

  1. RCMA (Materials), CEMILAC, Hyderabad, India

    M Sai Krishna Rao, P Rambabu, Ch. V. S. Murthy, B Jana & B Saha

  2. DMSRDE, DRDO, Kanpur, India

    N Eswara Prasad

  3. CEMILAC, Bengaluru, India

    P Jayapal

  4. Office of DG (Aero), DARE, Bengaluru, India

    K Tamilmani

Authors
  1. M Sai Krishna Rao
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  2. P Rambabu
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  3. Ch. V. S. Murthy
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  4. B Jana
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  5. B Saha
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  6. N Eswara Prasad
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  7. P Jayapal
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  8. K Tamilmani
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Corresponding author

Correspondence to N Eswara Prasad .

Editor information

Editors and Affiliations

  1. Director, DMSRDE, Defence Materials and Stores R&D Establishment, Kanpur, Uttar Pradesh, India

    N. Eswara Prasad

  2. Independent Consultant , KL Emmeloord, Flevoland, The Netherlands

    R.J.H. Wanhill

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Rao, M.S.K. et al. (2017). Airworthiness Certification of Metallic and Non-metallic Materials: The Indian Approach and Methodologies. In: Prasad, N., Wanhill, R. (eds) Aerospace Materials and Material Technologies . Indian Institute of Metals Series. Springer, Singapore. https://doi.org/10.1007/978-981-10-2143-5_24

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  • DOI: https://doi.org/10.1007/978-981-10-2143-5_24

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  • Online ISBN: 978-981-10-2143-5

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