A Shahab

A Shahab

Chalmers tekniska högskola

H-index: 8

Europe-Sweden

About A Shahab

A Shahab, With an exceptional h-index of 8 and a recent h-index of 6 (since 2020), a distinguished researcher at Chalmers tekniska högskola, specializes in the field of 3D Printing of Metals, 3D printing of Concrete, Computer Simulation, Surface Science.

His recent articles reflect a diverse array of research interests and contributions to the field:

Surface integrity analysis before and after machining of additively manufactured (3D printed) 316L stainless steel using selective laser melting (SLM) and electron beam melting …

A Shahab Information

University

Chalmers tekniska högskola

Position

___

Citations(all)

563

Citations(since 2020)

334

Cited By

393

hIndex(all)

8

hIndex(since 2020)

6

i10Index(all)

6

i10Index(since 2020)

4

Email

University Profile Page

Chalmers tekniska högskola

A Shahab Skills & Research Interests

3D Printing of Metals

3D printing of Concrete

Computer Simulation

Surface Science

Top articles of A Shahab

Surface integrity analysis before and after machining of additively manufactured (3D printed) 316L stainless steel using selective laser melting (SLM) and electron beam melting …

Authors

Amir Reza Shahab

Published Date

2020/6

This master thesis work was aimed for understanding the surface integrity and machinability of 316L stainless steel which was produced by two common methods of additive manufacturing called selective laser melting (SLM) and electron beam melting (EBM). Additive manufacturing is a new method of production for complex shape structures with less lead time and less waste of material. Samples of SLM were produced at RISE AB with SLM Solutions machine and samples of EBM were produced at Mid-Sweden university with ARCAM machine. The results of as-printed condition show that melt pools in EBM samples are larger that SLM ones. SLM samples have a cellular structure inside each melt pool. SLM samples have higher hardness than EBM however the surface roughness of SLM samples are lower than EBM. Lack of fusion features in EBM samples are in the size of less than one micron. Samples were machined (turning) from top and bottom in four steps. Depth of cut for each step is 0.25 mm. During turning, all 3 forces of cutting, feed and passive forces were recorded. All components of forces in step 1 are higher in SLM in comparison with EBM. Surface roughness after machining is around 0.9 micron for EBM and 0.8 micron for SLM. It is recommended to machine SLM samples for 1 passage with depth of cut of 0.25 mm. For EBM samples, it is recommended to machine the samples for 3 passages with depth of cut of 0.75 mm. Tensile residual stress exists after additive manufacturing due to rapid solidification of new layer in contact with an already solid layer. Machining will cause compressive stress which neutralizes the tensile stress …

See List of Professors in A Shahab University(Chalmers tekniska högskola)

A Shahab FAQs

What is A Shahab's h-index at Chalmers tekniska högskola?

The h-index of A Shahab has been 6 since 2020 and 8 in total.

What are A Shahab's top articles?

The articles with the titles of

Surface integrity analysis before and after machining of additively manufactured (3D printed) 316L stainless steel using selective laser melting (SLM) and electron beam melting …

are the top articles of A Shahab at Chalmers tekniska högskola.

What are A Shahab's research interests?

The research interests of A Shahab are: 3D Printing of Metals, 3D printing of Concrete, Computer Simulation, Surface Science

What is A Shahab's total number of citations?

A Shahab has 563 citations in total.

    academic-engine

    Useful Links