Engineering Tribology Episode 1 Part 5 doc

... classification [28]. 000 4 45 - 4 75 00 400 - 430 0 355  - 3 85 1 310  - 340 2 2 65 - 2 95 3 220 - 250  4 17 5 - 2 05 5 13 0 - 16 0 6 85 - 11 5 NLGI grade Worked (60 strokes) penetration ... grease is shown in Figure 3 .14 [ 21] . 200 250  300 350  400 450  50 0 0 50  10 0 15 0 200 250  Penetration [ × 10 -1 mm] Temperature [°C]...

Ngày tải lên: 05/08/2014, 09:19

... 440 40°C 19  13  15  11  12  33 74 70 363 51 5  15 0 10 0°C 5. 5 3.3 4 .5 4 4 11  25 6.3 13 .1 35 41 200°C 1. 1 1. 3 3.8 22 1. 4 2 .1 Specific gravity at 20°C 0.86 0.90 0.96 1. 09 ... 1. 03 1. 18 1. 92 1. 87 Thermal conductivity [W/mK] 0 .13 4 0 . 15 3 0 .12 7 0 .14 4 0 . 15 5 0.0 95 Specific heat at 38°C 16 70 19 25 17...

Ngày tải lên: 05/08/2014, 09:19

... 18 Valve scale 5 (3) 392 2 45 14 7 238 320 Ϫ82 11 2 10 1 11 Condenser tube scale 6 (3) 803 16 3 640 4 95 607 11 2 16 2 14 3 19 No scale observed 7 (3) 14 64 200 12 64 54 9 13 5 414 11 2 10 1 11 No scale observed 8 ... (1) 0.03 0.02 Ͻ0.0 01 Ͻ0.0 01 0.20 0. 25 No scale observed 2 (2) 49 5. 4 0.82 0.02 0.06 0.09 Basin buildup 3 (2) 89 611 2.4 0 .12 0 .10 0 .12 Heavy sca...

Ngày tải lên: 05/08/2014, 09:20

... behave; to manage; to carry out; to transmit 14 8 Answers Index PHOTOCOPIABLE © www.english-test.net Test 15 5 TOEIC Vocabulary / Meaning by Word / Test # 15 5 Q1 v. audit (a) to design; to mold; to form; ... a newsgroup or mailing list (Internet) 14 3 Answers Index PHOTOCOPIABLE © www.english-test.net Test 15 1 TOEIC Vocabulary / Meaning by Word / Test # 15 1 Q1 v. brake (a) to exc...

Ngày tải lên: 22/07/2014, 01:21

... following assumptions most probably underlies the author’s tentative recommendation in lines 51 - 54 ? (A) Human activities that result in environmental disruption should be abandoned. (B) ... performed by an oligosaccharin? (A) To stimulate a particular plant cell to become part of a plant’s root system (B) To stimulate the walls of a particular cell to produce other oli...

Ngày tải lên: 22/07/2014, 02:20

Ngày tải lên: 22/07/2014, 02:20

... rearranging yields: v v = ×       × () ×+× =× − 667 10 610 64 10 3 81 10 59 11 24 65 . . N m kg kg mm 2 2 11 0 6 m/s WEIGHTLESSNESS The strength of the earth’s gravitational field decreases ... 10 24 kg). Solution F mv r FG mm r v Gm r c == = 2 12 2 and ()() Setting the equations equal to each other and rearranging yields: v v = ×       × () ×+× =× − 667...

Ngày tải lên: 22/07/2014, 10:22

... 608 15 .3 Melting wear 609 15 .4 Wear due to electrical discharges 611 15 .5 Diffusive wear 612 15 .6 Impact wear 613 15 .7 Summary 6 15 References 616 16 WEAR OF NON-METALLIC MATERIALS 619 16 .1 Introduction ... LRN XX ENGINEERING TRIBOLOGY 12 .4 Summary 55 0 References 55 0 13 CORROSIVE AND OXIDATIVE WEAR 55 3 13 .1 Introduction 55 3 13 .2 Corrosive wear 55 3 Tr...

Ngày tải lên: 05/08/2014, 09:19

... interest in [g/cm 3 ]. 10 00 50 0 200 10 0 50 20 10 5 2 1 [ 10 Pa ] × -9 -1 C 012 3 Viscosity [cP]η 0 0.0 01 0.002 0.0 05 0. 01 0.02 0. 05 0 .1 0.2 0 .5 1 10243 852 65 79 93 10 7 12 1 14 9 17 7 204 Viscosity [Pas]η 0 Oil ... copolymer 204 62 .5 22 .5 17 .6 14 .3 12 .2 Castor oil 360 80 18 .0 15 .9 14 .4 12 .3 Di(2-ethylhexyl) phthalate 43 .5 11...

Ngày tải lên: 05/08/2014, 09:19

... 000 3 50 0 4 000 35 40 45 50 60 70 80 90 2 2 .5 3 3 .5 4 4 .5 5 6 7 8 9 10 15 20 25 30 35 40 45 50 60 70 80 90 1. 9 1. 8 1. 7 1. 6 1. 5 1. 4 1. 3 1. 2 25 30 35 40 45 50 60 70 80 90 10 0 15 0 200 250 300 350 400 450 30 35 40 45 50 60 70 80 90 10 0 15 0 200 250 300 350 400 10 0 12 0 FIGURE ... 2 2 .5 3 3 .5 4 4 .5 5 6 7 8 9 10 15...

Ngày tải lên: 05/08/2014, 09:19