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Course Co-ordinated by
IIT Delhi
NPTEL
>> Textile Engineering >> Textile Testing (Web) >>
Reasons for Textile Testing
Modules / Lectures
Objective of Testing
Reasons for Textile Testing
Standardization of Testing
Sampling
Terms used in sampling
Reasons for sampling
Aim of sampling
Types of sample
Fibre sampling from bulk
Fiber Sampling from Combed Slivers/Rovings/Yarns
Random / tuft sample
Yarn and fabric Sampling
Fibre Length
Why fibre length?
Measurement of Individual Fibre Length:Cotton fibre length
WOOL FIBRE LENGTH - Capacitive Method
Fibre Fineness
Importance of Fiber Fineness
Influence of Fibre Fineness and Maturity on Spinning Process
Methods of Measurement
Advanced Fibre Information System (AFIS)
Introduction of AFIS system
Construction and operation of instrument
Data Analysis
AFIS Applications
High Volume Instrument Testing
The basics and background
Advantages
Moisture and Textiles
Atmospheric Conditions and Relative Humidity
Measurement of Moisture
Yarn Hairiness
Importance of Hairiness
Causes of Hairiness
Significance & Adverse of Hairiness
Measurement of Hairiness
Yarn Bulk
Yarn Bulk
Evenness
Introduction
Types of Irregularity
Causes of irregularity
Expression of Unevenness Or Irregularity
Classification of Variation
Importance of yarn evenness
Effects of irregularity
Methods of Measuring Yarn Evenness
Tensile Testing
Importance of Testing
Terminology and Definitions
Stress-Strain Curve
Factors affecting tensile results
Principles of Tensile Testing
Tearing Strength
Introduction of tearing strength
Factors affecting tear strength
Measurement of fabric tearing strength
Bursting Strength
Fabric Bursting Strength
Measurement of Fabric Bursting Strength
Pilling and Abrasion Test of Fabrics
Pilling Testing
Measurement of fabric pilling
Pilling test by Martindale Abrasion Tester
Fabric Handle and Related Properties
Bending
Shearing
Drape
Compression
KAWABATA EVALUATION SYSTEM OF FABRIC KESF
FAST SYSTEM FABRIC ASSURANCE BY SIMPLE TESTING
Crease Recovery
Fabric Comfort
What is comfort ?
Important fabric properties for maintaining thermal comfort
Measurement
MISCELLANEOUS
Some Special Testing of Textile Materials
Special Testing
Yarn Twist
Introduction to Yarn twist
Twist effects on yarn and fabric properties
Measuring Yarn twist
Yarn Count
Linear Density
Measurement of yarn number or count
Folded yarns
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