A Comparison of Thixo Molding to Other Processes

Characteristic

Thixo Molding Magnesium

Die Cast Magnesium

Plastic Injection Molding

Die Cast Aluminum

Semi Solid Molding Aluminum

Die Composition

Treated Steel

Treated Steel

Treated steel

Treated steel

Treated steel

Die Cost

Highest

High

Moderate

High

High

Die Life

Highest

High

Highest

Moderate

Moderate

Die Development Time (P.O. to sample)

8-18 wks

8-18 wks

5-20 wks

10-18 wks

10-18 wks

Die Modification Costs ($)

High

High

High

High

High

Section Thickness

.025 min

.040 min

.060 min

.080 min

.080 min

Casting Temp. F

1000-1100

1100-1200

600-800

1200-1300

1100

Surface Finish

Best

Excellent

Excellent

Excellent

Best

Alloy Selectivity

Limited

Fair

Excellent

Good

Limited

Density

Best

Fair

Fair

Better

Best

Heat Treatable

No

No

No

No

Yes

Dimensional Stability

Excellent

Good

Fair

Excellent

Excellent

Insert Capable

Yes

Yes

Yes

Yes

Yes

Net Shape Capability

Best

Better

Best

Better

Better

High Volume Production Capability

Excellent

Excellent

Excellent

Excellent

Excellent