Drilling is one of the most expensive processes in the oil and gas exploration and
exploitation processes which is commonly performed with polycrystalline diamond compact …

Rock macro-indentation plays a fundamental role in mechanical rock breaking for various
rock engineering application, such as drilling, tunneling, cutting, and sawing. Over the past …

Water can greatly influence the mechanical properties and dynamic fracture of underground
rock mass. However, the dynamic fragmentation and chip formation of water-soaked rock in …

It is well known that there exhibits a transition of failure mode from ductile to brittle in the rock
cutting process. The rock failure modes directly influence the design of cutter and the …

Mechanical rock breaking in different forms have found wide applications in the mining and
civil engineering industry such as drilling, tunnelling and grinding. A detailed understanding …

Mechanical cutting provides one of the most flexible and environmentally friendly excavation
methods. It has attracted numerous efforts to model the rock chipping and fragmentation …

Understanding the characteristics of dust generation is the basis of effective dust control. To
reveal the influence of pick geometries and cutting parameters on the characteristics of dust …

When drilling with high ground stress in petroleum drilling engineering, understanding the
ductile–brittle failure transition of rocks is crucial for improving drilling efficiency. Herein, a …

Low rate of penetration (ROP) and high drilling costs are the severe problems encountered
in hard formation drilling, which heavily limit the efficient exploitation of oil and gas …

Tunnel boring machine (TBM) is the preferred method in the construction of long-distance
and deep-buried tunnel due to its advantages in safety and high efficiency. However, the …