Entc 206 Study guides, Class notes & Summaries

ENTC 206 Combo Which of the follow material properties does not belong to fused silica? a. High Tg b. visible to UV ray c. low coefficient of thermal expansion d. excellent electrical insulation e. optical transparency f. chemical inertness - correct answer b Among the different types of glass, which is the only crystalline one? - correct answer Ceramic Glass Which manufacturing method can significantly improve the mechanical strength of a ceramic product? - correct answer sintering...

ENTC 206 - CeramicsStress-Strain Behavior of Ceramics - correct answer Lack of plastic deformation (due to lack of slip) Ceramics: Pros + Cons - correct answer Pro: Excellent compressive strength Con: Low tenile strength, no warning signs for breakage. Density - correct answer Density: a key factor for ceramic strengths. The higher the density, the stronger the ceramic. Traditional Ceramics - correct answer (Non-Technical) Mostly clay based, consumer products Clay, Refractories, Gl...

ENTC 206 Combo Question and answers already passed 2023/2024 Which of the follow material properties does not belong to fused silica? a. High Tg b. visible to UV ray c. low coefficient of thermal expansion d. excellent electrical insulation e. optical transparency f. chemical inertness - correct answer b Among the different types of glass, which is the only crystalline one? - correct answer Ceramic Glass Which manufacturing method can significantly improve the mechanical strength of...

ENTC 206 - Ceramics Question and answers 2023/2024 verified to pass Stress-Strain Behavior of Ceramics - correct answer Lack of plastic deformation (due to lack of slip) Ceramics: Pros + Cons - correct answer Pro: Excellent compressive strength Con: Low tenile strength, no warning signs for breakage. Density - correct answer Density: a key factor for ceramic strengths. The higher the density, the stronger the ceramic. Traditional Ceramics

Entc 206- Test 2Polymer - correct answer is a substance composed of molecules with large molecular mass made up of repeating structural units, or monomers, connected by covalent chemical bonds. Synthetic - correct answer describing a substance that has been made artificially thru chemical synthesis; one that does not come from a natural source. Synthetic Polymers - correct answer Fiber, Plastics, Elastomers (or Rubber), protective Coating, Adhesives. What raw material are polymers ma...

Entc 206- Test 2 Question and answers 2023/2024 verified to passPolymer - correct answer is a substance composed of molecules with large molecular mass made up of repeating structural units, or monomers, connected by covalent chemical bonds. Synthetic - correct answer describing a substance that has been made artificially thru chemical synthesis; one that does not come from a natural source. Synthetic Polymers - correct answer Fiber, Plastics, Elastomers (or Rubber), protective Coating,...

ENTC 206- Ceramics and Semiconductors Ceramics - correct answer compounds formed between metallic and nonmetallic elements Ceramics (characteristics) - correct answer crystalline in nature hardest materials inorganic nonmetallic made by sintering lack of plastic deformation- no slip low tensile strength high compression strength DENSITY What sets Ceramics apart? - correct answer extreme brittleness extreme hardness high temperature resistance low coefficient of thermal expansio...

ENTC 206- Ceramics and Semiconductors Question and answers correctly solved 2023/2024Ceramics - correct answer compounds formed between metallic and nonmetallic elements Ceramics (characteristics) - correct answer crystalline in nature hardest materials inorganic nonmetallic made by sintering lack of plastic deformation- no slip low tensile strength

ENTC 206 Test #1endurance limit - correct answer stress level that fatigue failure will not occur below hardness - correct answer measure of a material's resistance to penetration tensile test - correct answer standard testing method used to generate the stress-strain relationship creep - correct answer continued plastic deformation under a constant load and more prominently with elevated temperature; material may stretch & eventually fail at an applied stress BELOW its yield strength;...

ENTC 206 Lab PracticalASTM - correct answer American Society for Testing and Materials ISO - correct answer International Organization for Standardization What is a resistor made of? - correct answer Al2O3 + metal or metal oxide layer What is a knife/peeler made of? - correct answer Al2O3 or (SiC or Si3N4) What is aerogel? - correct answer good thermal insulator What is an ignitor? - correct answer made of Si3N4 or SiC high electrical conductivity at high temp. What is S...