2019 Proceedings Table of Content

Full conference e-book can be found here RAPDASA 2019 Conference Proceedings eBook

All peer reviewed and accepted papers are found below – please cite as

Proceedings of the 20th Annual International RAPDASA Conference, ISBN nr: 978-0-6398390-0-4

 

DETERMINING THE EFFECT OF SURFACE ROUGHNESS AND POROSITY AT DIFFERENT INCLINATIONS OF LPBF PARTS

M. Shange, I. Yadroitsava, S. Pityana. Yadroitsev and A. du Plessis

 

DYNAMIC MECHANICAL PROPERTIES OF HIGH SPEED SELECTIVE LASER MELTING AT 4.5KW

L Motibane, L Tshabalala, N Mathe, R Knutsen

 

MICROSTRUCTURAL INFLUENCE ON TENSILE AND FATIGUE PROPERTIES OF TI6AL4V (ELI) PRODUCED THROUGH DIRECT METAL LASER SINTERING

N.M. Baloyi, P. Mendonidis, W. Du Preez & A.P.I. Popoola

 

WROUGHT TI6AL4V AS AN ALLOY FOR HIGH VELOCITY IMPACT APPLICATIONS

T.C. Moleko, M. Maringa & W.B. duPreez

 

OPTIMUM PROCESS PARAMETERS FOR DMLS IN-SITU ALLOYING OF A TI-10(60AL40V) POWDER BLEND

L.A. Ramosena, B.S. Parker, T.C. Dzogbewu, W.B. du Preez, & D.C. Blaine

 

EFFECT OF LASER POWER ON HARDNESS AND WEAR RATE OF ADDITIVE MANUFACTURED HYBRID TI6AL4V METAL MATRIX COMPOSITES

O.F Ochonogor, K.D. Nyembwe & E.T Akinlabi

 

ADDITIVE MANUFACTURING – REINVENTING THE SUPPLY CHAIN

H.L. van der Merwe, AF van der Merwe; DJ de Beer; T. Dube; P.J.M. van Tonder

 

POWDER MANAGEMENT STRATEGY FOR ADDITIVE MANUFACTURING

A. Ellis & A.F. van der Merwe

 

TRANSITIONING FROM ISO 13485 TO AS 9100D FOR AN ADDITIVE MANUFACTURING COMPANY

D.W. Gibbons & AF van der Merwe

 

ANALYSIS OF MELT POOL DURING THE LASER POWDER BED FUSION OF TUNGSTEN

A.T. Sidambe & P. Fox

 

MECHANICAL TESTING OF TI6AL4V PRODUCED ON THE AEROSWIFT PLATFORM

D. Louw, S.E. Hoosain, L. Tshabalala

 

THE DEVELOPMENT OFA DESIGN CYCLE OF ADDITIVE MANUFACTURED PRISMATIC AND BIOMIMETIC AEROSPACE COMPONENTS

N. Britz & J.L. Serfontein

 

HUMAN EXPERTISE IN ADDITIVE MANUFACTURING DIGITALIZATION

A. Ellis & A.F. van der Merwe

 

QUALIFICATION AND CONTROL OF METAL LASER POWDER BED FUSION SYSTEMS FOR AEROSPACE APPLICATIONS

D.W. Gibbons &  A.F. van der Merwe

 

THE BUSINESS IMPACT OF ADOPTING ADDITIVE MANUFACTURING IN SPARE PART PROVISIONING

H. Harmse

 

CONSTITUTIVE NUMERICAL MODELLING IN ADDITIVE MANUFACTURING: CHALLENGES IN PREDICTING THE YIELD STRENGTH AND FLOW PROPERTIES OF ALLOYS

A M Muiruri, M Maringa, W B du Preez

 

GAS BORNE ACOUSTIC EMMISION RESPONSE FOR LPBF OF OPTIMAL LASER PARAMETERS FOR Ti6Al4V DURING NON-OPTIMAL LAYER THICKNESSES

D. Kouprianoff, I. Yadroitsava, I. Yadroitsev

 

DEVELOPMENT OF AN INTEGRATED POWDER BED FUSION ADDITIVE MANUFACTURING MONITORING SYSTEM: A CONCEPT

F. Du Rand, P.J.M. Van Tonder & A.F. Van der Merwe

 

STATIC TESTING OF LARGE POLYMER ARTICLE

L. Mamushiana & C.M. Johnston

 

WIRE AND ARC ADDITIVE MANUFACTURE OF HIGHLY CONDUCTING PURE COPPER

S. W. Williams, A. Rashid, G. Pardal & L. Quintino

 

IMPROVING THE MICROSTRUCTURE OF HIGH SPEED SELECTIVE LASER MELTED Ti6Al4V COMPONENTS BY VARYING RESIDENCE TIME DURING HEAT TREATMENT

P.M. Lekoadi, N. Maledi, B.N. Masina, M Tlotleng

 

MICROSTRUCTURE AND MICROHARDNESS OF HEAT TREATED 17-4 PH STAINLESS STEEL PRODUCED BY LENS TECHNIQUE

I. Mathoho, E.T Akinlabi, & N. Arthur

 

DEVELOPMENT AND CHARACTERISATION OF A TI6AL4V ADDITIVE MANUFACTURED COMPACT COUNTER-FLOW HEAT EXCHANGER FOR APPLICATION IN ORGANIC RANKINE CYCLES

S.C. Venter, G.G. Jacobs

 

DEFORMATION MECHANISMS OF TI6AL4V DIAMOND AND OCTET TRUSS LATTICE STRUCTURES PRODUCED THROUGH LASER POWDER BED FUSION (L-PBF)

G. K. Tshikwand, D. C. Blaine, A. Du Plessis

 

OPEN SOURCE PROCESS OPTIMISATION WITH FUSED FILAMENT FABRICATION

G.P. Greeff & O.A. Kruger

 

DETERMINING OPTIMAL SCANNING SPEED FOR LASER SINTERING OF CP75 POLYPROPYLENE POWDER

J. Nsengimana, J.G. van der Walt, E.H.G. Langner & D.J. de Beer

 

RECYCLING OF POLYPROPYLENE POWDER USED IN LASER SINTER ADDITIVE MANUFACTURING – A LITERATURE REVIEW

F.M. Mwania, M. Maringa & J.G. van der Walt

 

COMPARATIVE ANALYSIS OF THE STRUCTURE AND PROPERTIES OF TITANIUM AND COBALT MEDICAL ALLOYS MANUFACTURING BY 3D PRINTING

N. Kazantseva, P. Krachmalev, I. Yadroitsev, I. Ezhov, A. Merkushev, D. Davidov

 

THE USE OF NANO-MODIFICATION TOWARDS OSSEOINTEGRATIVE CAPACITY OF TI-BASED IMPLANTS: A SYSTEMATIC REVIEW

N. Nhlapo, T.C. Dzogbewu & O. de Smidt

 

CHANGING WORLD OF EXTERNAL MAXILLOFACIAL PROSTHESIS MANUFACTURING

I. van Heerden, A. Fossey

 

ESTABLISHMENT OF A QUALITY ASSURANCE FRAMEWORK METHODOLOGY FOR ADDITIVE MANUFACTURING CHEMICAL COATED SAND

P.J.M. van Tonder, D.J. de Beer & J.H. Wichers

 

APPLICATION OF SIX SIGMA FRAMEWORK TO RAPID SAND CASTING

C. Sithole & D.K. Nyembwe

 

COMPARISON OF SLURRY FORMULATIONS FOR GEL-CASTING OF TITANIUM

J. Piek & D.C. Blaine

 

BENEFITS OF REINFORCED MESHING AND MATERIALS TESTING OF 3D PRINTED PARTS TO ASSIST MECHANICAL DESIGN IN THE RAILWAY INFRASTRUCTURE ENVIRONMENT

A.D. Toth & S. Vilakazi

 

DESIGN FOR ADDITIVE MANUFACTURING: AN INTRODUCTION TO DESIGN RULES AND CONSTRAINTS FOR HIGH SPEED SLM

D.C. Bester, M. Shange