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A comparison of wear behaviour of heat resistant steel engine valves and TiAl engine valves

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Figure

Fig. 1 Mass comparison of valves with different materials and configurations.
Table 1 The nominal compositions of the engine valve specimens and seat inserts (wt. %)
Table 2 Mechanical properties of engine valve materials [3, 5].
Fig. 2 (a) Schematic of the bench-top testing apparatus; (b) valve and seat insert geometry; (c)
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