Advances in Materials Science and Engineering / 2019 / Article / Fig 12

Research Article

Subloading Surface Model and Experimental Study of Coal Failure under Cyclic Loading

Figure 12

Diagram of comparison between different damage scalars. (a) Undamaged sample. (b) Damaged sample.

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.