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This text describes the data presented in the paper: Diamond Micro-milling of Lithium Niobate for Sensing applications 

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Introductory information
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Files included in the data deposit (include a short description of what data are contained): 

1)machined surface topography data
2)cutting force data
3)surface roughness data


Explain the relationship between multiple data sets, if required:

n/a

Key words used to describe the data:
Micro milling, Lithium Niobate, Ductile mode cutting, Diamond tool, Crystallographic effect, Edge chipping, Sensors 


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Methodological information
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A brief method description – what the data is, how and why it was collected or created, and how it was processed:
Surface topography data were collected by SEM, data were not post-processed; surface roughness data were collected using surface profilometer; cutting force data were collected using Kistler dynamometer 9256C and processed using ANOVA tool in Minitab package. All these data were used to analyse micro-machinability of lithium niobate crystals.



Instruments, hardware and software used: 
Scanning Electron Microscope (TM3030); Zygo surface profilometer (NewView 5000), Kistler dynamometer 9256C and MiniTab


Date(s) of data collection: 
Dec 2014 - May 2015


Geographic coverage of data:
n/a


Data validation (how was the data checked, proofed and cleaned):
n/a


Overview of secondary data, if used:

n/a

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Data-specific information
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Definitions of names, labels, acronyms or specialist terminology uses for variables, records and their values: 

Symbols used in the excel file: 
ap - axial depth of cut
Fz - feed per tooth
Fbar - Average force
Ft Amp - Amplitude of tangential force
Fc Amp - Amplitude of cutting force
Uc - Specific cutting energy
Xnormal - normal force
Yfeed - feed force
Xreal - real component of X
Yreal - real component of y
Angle - immersion angle
F - resultant force
Ft - tangential force
Fc - Cutting force



Explanation of weighting and grossing variables: 

n/a

Outline any missing data:
n/a


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Contact
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Please contact rdm@ncl.ac.uk for further information