Research Article

Prediction and Analysis of PDC Bit Wear in Conglomerate Layer with Machine Learning and Finite-Element Method

Table 1

Attribute parameters of polycrystalline diamond and conglomerate.

Parameter namePolycrystalline diamondConglomerate

Density (kg·m−3)35202540
Elastic modulus (MPa)
Poisson’s ratio0.070.27
Thermal conductivity (J·m−1·s−1·°C−1)543.03.5
Specific heat capacity (J·kg−1·°C−1)790.0800.0
Coefficient of thermal expansion (10−6°C)2.552.0
Compressive strength (MPa)270.067.6
Wear coefficient