Unit 2: Materials Technology Specifying and describing properties Dr. Hatem Elaydi Engineering Technical English Islamic University of Gaza Feb. 17, 2016
Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305
8b. Read the following extract from DuPont's technical guide to Kevlar. Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305
Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305
8c. Find words in the text in Exercise 8b to match the following definitions toughness : the opposite of fragility ………… : resistance to damage caused by friction ………… : resistance to problems caused by temperature change ………… : long-lasting ………… : the opposite of heavy Answers 2 abrasion resistance 3 thermal stability 4 durable 5 lightweight Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305
Language note You will find the following vocabulary useful in this section. elasticity, toughness, abrasion resistance, thermal stability, lightweight, durable ideally, obviously, the key requirement, the last thing you want is …, a good degree of … explain what is meant by properties of materials elasticity : the ability to stretch some examples of properties of specific materials, for example steel (tough), polystyrene (lightweight). Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305
9a. Match the automotive parts (l -5) to the descriptions (a-e). Answers 1 c 2 e 3 b 4 a 5 d Basil Hamed
Read automotive applications of Kevlar Read automotive applications of Kevlar. Complete the text using the automotive parts in Exercise 9a. Answers 1 tires 2 drive belts 3 brake pads Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305
4 bullet-resistant armor 5 sealing gaskets Answers 4 bullet-resistant armor 5 sealing gaskets Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305
Language note Ideally: for the best results Obviously: It’s clear that the last thing you want: the worst situation the key requirement: the most important factor a good degree of: a lot of/ a high level of Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305
Homework: Do exercises 10 a, b and 11b Dr. Hatem Elaydi, IUG, Spring 2016, ENGG 1305