塑料球壓痕硬度值壓入深度與實驗負荷的函數(shù)關(guān)系表

壓入深度h/mm

在下列各負荷F_m下的球壓痕硬度 HB 值／（N/mm²)

49N

132N

358N

961N

0.150

0.155

0.160

0. 165

0.170

0.175

0.180

0.185

0.190

0.195

23.82

22.79

21.84

20.96

20.16

19.41

18.72

18.07

17.47

16. 91

64. 17

61.38

58.82

56.47

54.30

52.29

50.42

48.68

47. 06

45.54

174.04

166.47

159.54

153.16

147.26

141.81

136.75

132.03

127.63

123.51

467.19

446.87

428.25

411.12

395.31

380.67

367.07

354.42

342.60

331.55

0.200

0.205

0.210

0.215

0.220

0.225

0.230

0.235

0.240

0.245

16.38

15.88

15.41

14.97

14.56

14.16

13.79

13.44

13.10

12.78

44.12

42.78

41.52

40.34

39.22

38.16

37.15

36.20

35.29

34.43

119.65

116.03

112.61

109.40

106.36

103.48

100.76

98.18

95.72

93.39

321.19

311.46

302.30

293.66

285.50

277.79

270.48

263.54

256.95

250.69

0.250

0.255

0.260

0.265

0.270

0.275

0.280

0.285

0.290

0.295

12.48

12.19

11.91

11.65

11.39

11.15

10.92

10.70

10.48

10.28

33.61

32.83

32.09

31.37

30.69

30.04

29.41

28.81

28.24

27.68

91.16

89.04

87.02

85.09

93.24

81.47

79.77

78.14

76.58

75.08

244.72

239.03

233.59

228.40

223.44

218.68

214.13

209.76

205.56

201.53

壓入深度h/mm

在下列各負荷F_m下的球壓痕硬度 HB 值／（N/mm²)

49N

132N

358N

961N

0.300

0.305

0.310

0.315

0.320

0.325

0.330

0.335

0.340

0.345

0.350

10.08

9.89

9.70

9.53

9.36

9.19

9.04

8.88

8.73

8.59

8.45

27.15

26.64

26.14

25.67

25.21

24.77

24.34

23.93

23.53

23.14

22.77

73.63

72.24

70.91

69.62

68.37

67.17

66.02

64.90

63.81

62.77

61.76

197.66

193.93

190.34

186.87

183.54

180.32

177.21

174.21

171.30

168.49

165.78