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Table 5 Surface temperatures data for each operative mode and for each mock-up

From: Testing of a new Yb:YAG fiber laser system for the removal of graphic vandalism from marble

Operative mode

(P [kW]; fR [kHz])

FB (black)

FR (red)

MB (black)

MR (red)

Tmax [°C]

Rt [°C/s]

Tmax [°C]

Rt [°C/s]

Tmax [°C]

Rt [°C/s]

Tmax [°C]

Rt [°C/s]

E (10; 40)

199.6

7.4

178

6.29

 

207.5

13.65

F (8; 60)

243.8

7.4

290.7

10.55

 

359.2

9.41

G (6.3; 80)

347.4

12.64

281.1

14.62

 

266.2

15.95

H (5; 100)

352.3

11.70

228.8

11.61

 

339.9

8.08

I (7; 200)

344

13.29

344

18.32

 

300.6

7.98

M (5; 20)

 

 

105.9

15.85

 

N (5; 50)

 

 

106.7

10.29

 

O (3.1, 80)

 

 

152.9

10.30

 

P (5, 80)

 

 

156.5

9.98

 

Q (6.3, 80)

 

 

174.2

12.09

 
  1. Scan size and spot size are the same for each operative mode, 110 μm and 15 mm, respectively. P: peak power; fR: repetition frequency; Tmax: highest temperature reached for each operative mode; Rt: temperature rising rate