Podcast
Questions and Answers
What type of fabric has no fill fibers and is held together by small cross threads?
What type of fabric has no fill fibers and is held together by small cross threads?
- Bidirectional fabric
- Woven fabric
- Multidirectional fabric
- Unidirectional fabric (correct)
Which type of fabric usually has more strength in the warp direction?
Which type of fabric usually has more strength in the warp direction?
- Satin weave fabric
- Plain weave fabric
- Bidirectional fabric (correct)
- Twill weave fabric
What aspect makes plain weave fabrics different from satin weave fabrics?
What aspect makes plain weave fabrics different from satin weave fabrics?
- Yarn slippage (correct)
- Number of weave directions
- Stability
- Porosity
Which type of weave pattern involves warp and fill yarns interlacing over and under each other?
Which type of weave pattern involves warp and fill yarns interlacing over and under each other?
What characteristic is a key advantage of woven fabrics over unidirectional materials?
What characteristic is a key advantage of woven fabrics over unidirectional materials?
What is the main purpose of cross threads in unidirectional fabrics?
What is the main purpose of cross threads in unidirectional fabrics?
What is a notable characteristic of a satin weave?
What is a notable characteristic of a satin weave?
Which type of weave is characterized by a distinctive diagonal line on the fabric's surface?
Which type of weave is characterized by a distinctive diagonal line on the fabric's surface?
What type of yarn repeats on three or more warp and fill yarns in a twill weave?
What type of yarn repeats on three or more warp and fill yarns in a twill weave?
What does the matrix do in composite materials?
What does the matrix do in composite materials?
Why were old polyester/fiberglass formulas deemed insufficient for fabricating primary structural members?
Why were old polyester/fiberglass formulas deemed insufficient for fabricating primary structural members?
What characteristic of newer matrix materials makes them suitable for aircraft applications?
What characteristic of newer matrix materials makes them suitable for aircraft applications?
What is a major concern when drilling Aramid material?
What is a major concern when drilling Aramid material?
Why is carbon fiber more susceptible to promoting galvanic corrosion when bonded to aluminum or steel?
Why is carbon fiber more susceptible to promoting galvanic corrosion when bonded to aluminum or steel?
Why are carbon materials kept separate from aluminum components?
Why are carbon materials kept separate from aluminum components?
Which material retains most of its strength and flexibility at temperatures up to 1200 °C?
Which material retains most of its strength and flexibility at temperatures up to 1200 °C?
What is a key advantage of using carbon-fiber composites for aircraft structural components?
What is a key advantage of using carbon-fiber composites for aircraft structural components?
How does the compressive strength of carbon fiber compare to that of Kevlar®?
How does the compressive strength of carbon fiber compare to that of Kevlar®?
What two components make up resin matrices?
What two components make up resin matrices?
How are resin matrix systems often referred to by some companies?
How are resin matrix systems often referred to by some companies?
What do thermoplastic resins use to form the part into the desired shape?
What do thermoplastic resins use to form the part into the desired shape?
What happens when a thermoplastic material is heated a second time?
What happens when a thermoplastic material is heated a second time?
Which transparent thermoplastic material was commonly used in early aircrafts due to its transparency and light weight?
Which transparent thermoplastic material was commonly used in early aircrafts due to its transparency and light weight?
Why has cellulose acetate plastic almost completely been replaced in aircraft applications?
Why has cellulose acetate plastic almost completely been replaced in aircraft applications?
What is one of the disadvantages of working with pre-preg fabrics in a maintenance facility?
What is one of the disadvantages of working with pre-preg fabrics in a maintenance facility?
Why should bags containing pre-preg material be opened only in a controlled environment?
Why should bags containing pre-preg material be opened only in a controlled environment?
What effect does room temperature have on pre-pregs if they are not stored in a freezer?
What effect does room temperature have on pre-pregs if they are not stored in a freezer?
Why are thixotropic agents added to resins?
Why are thixotropic agents added to resins?
What happens if pre-preg material exceeds its shelf life?
What happens if pre-preg material exceeds its shelf life?
What is the purpose of fillers (thixotropic agents) in resins?
What is the purpose of fillers (thixotropic agents) in resins?
