TECHNOLOGY FOCUS - CERAMICS AND GLASS - Preferred Component: The second material composition comprises a combined second material with a melting temperature suppressant, the combination having a second melting temperature at least 40 (preferably at least 120) degreesC lower than the first melting temperature, where controllably heating the layer melts some first material to dilute the melting temperature suppressant to raise the melting temperature of the second material composition.Preferred Method: The method comprises forming a suspension comprising particles of less than 25 (preferably less than 1) micron in average particle size. The method comprises forming a suspension comprising 60-96 (preferably 80-92) wt.% first material and second material composition. The method involves sequentially depositing the suspension to form a layer, and controllably heating the layer to layer-wise fabricate a three-dimensional structure; depositing the suspension to form a layer to repair a part; controllably heating the layer to maintain temperature of the combined second material with dissolved first material until less than 15% (preferably less than 4%) porosity is attained. The method further comprises removing the carrier medium by heating for 1 hour at 700 (preferably 150) degreesC.Preferred Material: At least one of the materials is a ceramic material. The composition comprises a ceramic first material with a melting point in excess of 1300 degreesC, and a lower-melting second material composition. The ceramic first material is alumina, magnesia or non-oxide ceramic. The composition comprises a fibrous ceramic first material with a melting point. in excess of 1400 degreesC from silicon carbide, silicon-based non-oxide, or alumina ceramic and a lower-melting second material composition. The composition comprises a ceramic base from alumina, magnesia, zirconia, and/or yttria-stabilized zirconia with 5-25 vol.% of a silicate glass.    TECHNOLOGY FOCUS - METALLURGY - Preferred Component: The composition comprises a nickel (Ni)-base superalloy powder first material with a melting point in excess of 1225 degreesC and a Ni-base lower-melt alloy second material composition including a melting point suppressing additive from silicon (Si), boron (B), titanium (Ti), chromium (Cr), palladium (Pd), gold (Au) or gallium (Ga). The composition comprises a Ni powder first material with a melting point of 1450 degreesC and a manganese (Mn), Ni-base lower-melt alloy second material composition. The composition comprises a platinum (Pt) group metal first material with a melting point in excess of 1500 degreesC and a lower-melt second material composition comprising silver (Ag), Au alloy or Ag alloy. The composition comprises a mixture of a conductive oxide with an iron (Fe), Cr-base stainless steel first material with a melting point. in excess of 1300 degreesC and an Fe, Cr-base stainless steel powder with a melting point suppressant second material composition. The composition comprises a Ag-base powder with a melting point in excess of 800 degreesC first material and a lower-melt bismuth-tin (Bi-Sn) alloy or Bi-cadmium (Cd) alloy second material composition.Preferred Parameter: The composition comprises a structure having a porosity of less than 15% and a ratio of the aspect ratio of the deposited line to the aspect ratio of the controllably heated line of 0.8:1-1.2:1. The structure has a homogenous phase with a density of at least 96% of theoretical density.Preferred Composition: The composition comprises a Ni-base superalloy comprising 4-8.5a/o cobalt (Co), 9-15a/oCr, 12-16a/o aluminum (Al), 0.3-0.8a/o B, 1.5-5.0a/oSi, 0.7-1.1 a/o tungsten (W), 1.1-1.6a/o tantalum (Ta), 0.3-0.5a/o rhenium (Re), 0.02-0.05 hafnium (Hf) and 2.5-10a/o Mn. The composition comprises a rhodium (Rh)-base alloy comprising 20-50a/o of Pd and/or Pt; and 5-15a/o of Au and/or Ag. The composition comprises alumina with 5-25 vol.% Cr. The composition comprises an Fe-base alloy comprising 18-26a/o Cr, 0.3-0.8a/o B, 1.5-5.0a/o Si, 0.1-la/o Ti, 0.01-0.06a/o of lanthanum (La), yttrium (Y), zirconium (Zr), cerium (Ce), neodymium (Nd), dysprosium (Dy), or gadolinium (Gd). The composition comprises a Ag-base alloy comprising 2-9a/o Bi, and 2-9a/o Cd and/or Sn. The composition comprises FeCrAlY with 5-30 vol.% of titanium carbide (TiC).    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The composition comprises 10-35 vol.% of a conductive oxide from manganese chromate, lanthanum strontium manganate, or lanthanum chromate. The composition comprises a fibrous silicon carbide with 5-25 vol.% of a silicon carbide formed from the second material composition of equal atomic percentages of Si and carbon.