3D digital technologies applied to the design and printing of auxiliary structures for fragment adhesion strategies on wax artifacts

Heritage Science

Table 1 Tensile test results

Specimens	Printing material	Orientation	Filling density (%)	Printing time per specimen	Tensile modulus of elasticity [MPa]	Yield strength σ0.2% [MPa]	Strain at yield strength σ0.2%	Tensile stress [MPa]
PH10	PLA Polylactic acid	Horizontal 0°	10	109 min	1305	32	0.028	38
PH50	PLA Polylactic acid	Horizontal 0°	50	117 min	1450	36	0.028	44
PH100	PLA Polylactic acid	Horizontal 0°	100	172 min	1944	49	0.028	62
PHC10	PLA Polylactic acid	Horizontal 90°	10	169 min	1392	34	0.028	38
PHC50	PLA Polylactic acid	Horizontal 90°	50	180 min	1412	32	0.026	36
PHC100	PLA Polylactic acid	Horizontal 90°	100	259 min	2066	52	0.028	62
PV10	PLA Polylactic acid	Vertical 0°	10	161 min	544	23	0.047	28
PV50	PLA Polylactic acid	Vertical 0°	50	168 min	740	25	0.035	27
PV100	PLA Polylactic acid	Vertical 0°	100	258 min	802	19	0.020	46

Mechanical parameters of each of the specimens (the strain at the yield strength is the deformation of the specimen when the applied stress has the value of the yield strength stress)